27889290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 86270184

約数和(自身を除く): 58380894

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 121, 130, 143, 165, 195, 197, 198, 234, 242, 286, 330, 363, 390, 394, 429, 495, 585, 591, 605, 715, 726, 858, 985, 990, 1089, 1170, 1182, 1210, 1287, 1430, 1573, 1773, 1815, 1970, 2145, 2167, 2178, 2561, 2574, 2955, 3146, 3546, 3630, 4290, 4334, 4719, 5122, 5445, 5910, 6435, 6501, 7683, 7865, 8865, 9438, 10835, 10890, 12805, 12870, 13002, 14157, 15366, 15730, 17730, 19503, 21670, 23049, 23595, 23837, 25610, 28171, 28314, 32505, 38415, 39006, 46098, 47190, 47674, 56342, 65010, 70785, 71511, 76830, 84513, 97515, 115245, 119185, 140855, 141570, 143022, 169026, 195030, 214533, 230490, 238370, 253539, 281710, 309881, 357555, 422565, 429066, 507078, 619762, 715110, 845130, 929643, 1072665, 1267695, 1549405, 1859286, 2145330, 2535390, 2788929, 3098810, 4648215, 5577858, 9296430, 13944645, 27889290]

約数ペア:

[(1, 27889290), (2, 13944645), (3, 9296430), (5, 5577858), (6, 4648215), (9, 3098810), (10, 2788929), (11, 2535390), (13, 2145330), (15, 1859286), (18, 1549405), (22, 1267695), (26, 1072665), (30, 929643), (33, 845130), (39, 715110), (45, 619762), (55, 507078), (65, 429066), (66, 422565), (78, 357555), (90, 309881), (99, 281710), (110, 253539), (117, 238370), (121, 230490), (130, 214533), (143, 195030), (165, 169026), (195, 143022), (197, 141570), (198, 140855), (234, 119185), (242, 115245), (286, 97515), (330, 84513), (363, 76830), (390, 71511), (394, 70785), (429, 65010), (495, 56342), (585, 47674), (591, 47190), (605, 46098), (715, 39006), (726, 38415), (858, 32505), (985, 28314), (990, 28171), (1089, 25610), (1170, 23837), (1182, 23595), (1210, 23049), (1287, 21670), (1430, 19503), (1573, 17730), (1773, 15730), (1815, 15366), (1970, 14157), (2145, 13002), (2167, 12870), (2178, 12805), (2561, 10890), (2574, 10835), (2955, 9438), (3146, 8865), (3546, 7865), (3630, 7683), (4290, 6501), (4334, 6435), (4719, 5910), (5122, 5445)]