221530185

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{158803}}^1$

素因数の和:158845

約数の個数: 24

約数和(自身を含む): 396374784

約数和(自身を除く): 174844599

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 158803, 476409, 794015, 1429227, 2382045, 4922893, 7146135, 14768679, 24614465, 44306037, 73843395, 221530185]

約数ペア:

[(1, 221530185), (3, 73843395), (5, 44306037), (9, 24614465), (15, 14768679), (31, 7146135), (45, 4922893), (93, 2382045), (155, 1429227), (279, 794015), (465, 476409), (1395, 158803)]