28507755

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 47628288

約数和(自身を除く): 19120533

約数列:

[1, 3, 5, 15, 31, 93, 101, 155, 303, 465, 505, 607, 1515, 1821, 3035, 3131, 9105, 9393, 15655, 18817, 46965, 56451, 61307, 94085, 183921, 282255, 306535, 919605, 1900517, 5701551, 9502585, 28507755]

約数ペア:

[(1, 28507755), (3, 9502585), (5, 5701551), (15, 1900517), (31, 919605), (93, 306535), (101, 282255), (155, 183921), (303, 94085), (465, 61307), (505, 56451), (607, 46965), (1515, 18817), (1821, 15655), (3035, 9393), (3131, 9105)]