215869275

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{30949}}^1$

素因数の和:30996

約数の個数: 36

約数和(自身を含む): 399131200

約数和(自身を除く): 183261925

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 6975, 30949, 92847, 154745, 278541, 464235, 773725, 959419, 1392705, 2321175, 2878257, 4797095, 6963525, 8634771, 14391285, 23985475, 43173855, 71956425, 215869275]

約数ペア:

[(1, 215869275), (3, 71956425), (5, 43173855), (9, 23985475), (15, 14391285), (25, 8634771), (31, 6963525), (45, 4797095), (75, 2878257), (93, 2321175), (155, 1392705), (225, 959419), (279, 773725), (465, 464235), (775, 278541), (1395, 154745), (2325, 92847), (6975, 30949)]