899100378

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 2271559680

約数和(自身を除く): 1372459302

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 31, 33, 54, 62, 66, 93, 99, 157, 186, 198, 279, 297, 311, 314, 341, 471, 558, 594, 622, 682, 837, 933, 942, 1023, 1413, 1674, 1727, 1866, 2046, 2799, 2826, 3069, 3421, 3454, 4239, 4867, 5181, 5598, 6138, 6842, 8397, 8478, 9207, 9641, 9734, 10263, 10362, 14601, 15543, 16794, 18414, 19282, 20526, 28923, 29202, 30789, 31086, 43803, 46629, 48827, 53537, 57846, 61578, 86769, 87606, 92367, 93258, 97654, 106051, 107074, 131409, 146481, 160611, 173538, 184734, 212102, 260307, 262818, 292962, 318153, 321222, 439443, 481833, 520614, 537097, 636306, 878886, 954459, 963666, 1074194, 1318329, 1445499, 1513637, 1611291, 1908918, 2636658, 2863377, 2890998, 3027274, 3222582, 4540911, 4833873, 5726754, 9081822, 9667746, 13622733, 14501619, 16650007, 27245466, 29003238, 33300014, 40868199, 49950021, 81736398, 99900042, 149850063, 299700126, 449550189, 899100378]

約数ペア:

[(1, 899100378), (2, 449550189), (3, 299700126), (6, 149850063), (9, 99900042), (11, 81736398), (18, 49950021), (22, 40868199), (27, 33300014), (31, 29003238), (33, 27245466), (54, 16650007), (62, 14501619), (66, 13622733), (93, 9667746), (99, 9081822), (157, 5726754), (186, 4833873), (198, 4540911), (279, 3222582), (297, 3027274), (311, 2890998), (314, 2863377), (341, 2636658), (471, 1908918), (558, 1611291), (594, 1513637), (622, 1445499), (682, 1318329), (837, 1074194), (933, 963666), (942, 954459), (1023, 878886), (1413, 636306), (1674, 537097), (1727, 520614), (1866, 481833), (2046, 439443), (2799, 321222), (2826, 318153), (3069, 292962), (3421, 262818), (3454, 260307), (4239, 212102), (4867, 184734), (5181, 173538), (5598, 160611), (6138, 146481), (6842, 131409), (8397, 107074), (8478, 106051), (9207, 97654), (9641, 93258), (9734, 92367), (10263, 87606), (10362, 86769), (14601, 61578), (15543, 57846), (16794, 53537), (18414, 48827), (19282, 46629), (20526, 43803), (28923, 31086), (29202, 30789)]