320482461

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 467913600

約数和(自身を除く): 147431139

約数列:

[1, 3, 13, 39, 131, 149, 393, 421, 447, 1263, 1703, 1937, 5109, 5473, 5811, 16419, 19519, 55151, 58557, 62729, 165453, 188187, 253747, 716963, 761241, 815477, 2150889, 2446431, 8217499, 24652497, 106827487, 320482461]

約数ペア:

[(1, 320482461), (3, 106827487), (13, 24652497), (39, 8217499), (131, 2446431), (149, 2150889), (393, 815477), (421, 761241), (447, 716963), (1263, 253747), (1703, 188187), (1937, 165453), (5109, 62729), (5473, 58557), (5811, 55151), (16419, 19519)]