165986745

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{3229}}^1$

素因数の和:3409

約数の個数: 32

約数和(自身を含む): 279072000

約数和(自身を除く): 113085255

約数列:

[1, 3, 5, 15, 23, 69, 115, 149, 345, 447, 745, 2235, 3229, 3427, 9687, 10281, 16145, 17135, 48435, 51405, 74267, 222801, 371335, 481121, 1114005, 1443363, 2405605, 7216815, 11065783, 33197349, 55328915, 165986745]

約数ペア:

[(1, 165986745), (3, 55328915), (5, 33197349), (15, 11065783), (23, 7216815), (69, 2405605), (115, 1443363), (149, 1114005), (345, 481121), (447, 371335), (745, 222801), (2235, 74267), (3229, 51405), (3427, 48435), (9687, 17135), (10281, 16145)]