208021005

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149119}}^1$

素因数の和:149161

約数の個数: 24

約数和(自身を含む): 372203520

約数和(自身を除く): 164182515

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 149119, 447357, 745595, 1342071, 2236785, 4622689, 6710355, 13868067, 23113445, 41604201, 69340335, 208021005]

約数ペア:

[(1, 208021005), (3, 69340335), (5, 41604201), (9, 23113445), (15, 13868067), (31, 6710355), (45, 4622689), (93, 2236785), (155, 1342071), (279, 745595), (465, 447357), (1395, 149119)]