213364275

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 362104800

約数和(自身を除く): 148740525

約数列:

[1, 3, 5, 15, 25, 61, 75, 149, 183, 305, 313, 447, 745, 915, 939, 1525, 1565, 2235, 3725, 4575, 4695, 7825, 9089, 11175, 19093, 23475, 27267, 45445, 46637, 57279, 95465, 136335, 139911, 227225, 233185, 286395, 477325, 681675, 699555, 1165925, 1431975, 2844857, 3497775, 8534571, 14224285, 42672855, 71121425, 213364275]

約数ペア:

[(1, 213364275), (3, 71121425), (5, 42672855), (15, 14224285), (25, 8534571), (61, 3497775), (75, 2844857), (149, 1431975), (183, 1165925), (305, 699555), (313, 681675), (447, 477325), (745, 286395), (915, 233185), (939, 227225), (1525, 139911), (1565, 136335), (2235, 95465), (3725, 57279), (4575, 46637), (4695, 45445), (7825, 27267), (9089, 23475), (11175, 19093)]