13016745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 27263808

約数和(自身を除く): 14247063

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 43, 45, 63, 93, 105, 129, 155, 215, 217, 279, 301, 315, 387, 465, 645, 651, 903, 961, 1085, 1333, 1395, 1505, 1935, 1953, 2709, 2883, 3255, 3999, 4515, 4805, 6665, 6727, 8649, 9331, 9765, 11997, 13545, 14415, 19995, 20181, 27993, 33635, 41323, 43245, 46655, 59985, 60543, 83979, 100905, 123969, 139965, 206615, 289261, 302715, 371907, 419895, 619845, 867783, 1446305, 1859535, 2603349, 4338915, 13016745]

約数ペア:

[(1, 13016745), (3, 4338915), (5, 2603349), (7, 1859535), (9, 1446305), (15, 867783), (21, 619845), (31, 419895), (35, 371907), (43, 302715), (45, 289261), (63, 206615), (93, 139965), (105, 123969), (129, 100905), (155, 83979), (215, 60543), (217, 59985), (279, 46655), (301, 43245), (315, 41323), (387, 33635), (465, 27993), (645, 20181), (651, 19995), (903, 14415), (961, 13545), (1085, 11997), (1333, 9765), (1395, 9331), (1505, 8649), (1935, 6727), (1953, 6665), (2709, 4805), (2883, 4515), (3255, 3999)]