3939325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 48

約数和(自身を含む): 5999616

約数和(自身を除く): 2060291

約数列:

[1, 5, 13, 17, 23, 25, 31, 65, 85, 115, 155, 221, 299, 325, 391, 403, 425, 527, 575, 713, 775, 1105, 1495, 1955, 2015, 2635, 3565, 5083, 5525, 6851, 7475, 9269, 9775, 10075, 12121, 13175, 17825, 25415, 34255, 46345, 60605, 127075, 157573, 171275, 231725, 303025, 787865, 3939325]

約数ペア:

[(1, 3939325), (5, 787865), (13, 303025), (17, 231725), (23, 171275), (25, 157573), (31, 127075), (65, 60605), (85, 46345), (115, 34255), (155, 25415), (221, 17825), (299, 13175), (325, 12121), (391, 10075), (403, 9775), (425, 9269), (527, 7475), (575, 6851), (713, 5525), (775, 5083), (1105, 3565), (1495, 2635), (1955, 2015)]