79840905

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 130032000

約数和(自身を除く): 50191095

約数列:

[1, 3, 5, 15, 139, 149, 257, 417, 447, 695, 745, 771, 1285, 2085, 2235, 3855, 20711, 35723, 38293, 62133, 103555, 107169, 114879, 178615, 191465, 310665, 535845, 574395, 5322727, 15968181, 26613635, 79840905]

約数ペア:

[(1, 79840905), (3, 26613635), (5, 15968181), (15, 5322727), (139, 574395), (149, 535845), (257, 310665), (417, 191465), (447, 178615), (695, 114879), (745, 107169), (771, 103555), (1285, 62133), (2085, 38293), (2235, 35723), (3855, 20711)]