204555615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1028

約数の個数: 64

約数和(自身を含む): 381542400

約数和(自身を除く): 176986785

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 71, 95, 165, 209, 213, 285, 355, 627, 781, 919, 1045, 1065, 1349, 2343, 2757, 3135, 3905, 4047, 4595, 6745, 10109, 11715, 13785, 14839, 17461, 20235, 30327, 44517, 50545, 52383, 65249, 74195, 87305, 151635, 192071, 195747, 222585, 261915, 326245, 576213, 717739, 960355, 978735, 1239731, 2153217, 2881065, 3588695, 3719193, 6198655, 10766085, 13637041, 18595965, 40911123, 68185205, 204555615]

約数ペア:

[(1, 204555615), (3, 68185205), (5, 40911123), (11, 18595965), (15, 13637041), (19, 10766085), (33, 6198655), (55, 3719193), (57, 3588695), (71, 2881065), (95, 2153217), (165, 1239731), (209, 978735), (213, 960355), (285, 717739), (355, 576213), (627, 326245), (781, 261915), (919, 222585), (1045, 195747), (1065, 192071), (1349, 151635), (2343, 87305), (2757, 74195), (3135, 65249), (3905, 52383), (4047, 50545), (4595, 44517), (6745, 30327), (10109, 20235), (11715, 17461), (13785, 14839)]