31271955

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 59996160

約数和(自身を除く): 28724205

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 61, 65, 143, 165, 183, 195, 239, 305, 429, 671, 715, 717, 793, 915, 1195, 2013, 2145, 2379, 2629, 3107, 3355, 3585, 3965, 7887, 8723, 9321, 10065, 11895, 13145, 14579, 15535, 26169, 34177, 39435, 43615, 43737, 46605, 72895, 102531, 130845, 160369, 170885, 189527, 218685, 481107, 512655, 568581, 801845, 947635, 2084797, 2405535, 2842905, 6254391, 10423985, 31271955]

約数ペア:

[(1, 31271955), (3, 10423985), (5, 6254391), (11, 2842905), (13, 2405535), (15, 2084797), (33, 947635), (39, 801845), (55, 568581), (61, 512655), (65, 481107), (143, 218685), (165, 189527), (183, 170885), (195, 160369), (239, 130845), (305, 102531), (429, 72895), (671, 46605), (715, 43737), (717, 43615), (793, 39435), (915, 34177), (1195, 26169), (2013, 15535), (2145, 14579), (2379, 13145), (2629, 11895), (3107, 10065), (3355, 9321), (3585, 8723), (3965, 7887)]