51887025

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 98731776

約数和(自身を除く): 46844751

約数列:

[1, 3, 5, 9, 15, 25, 31, 43, 45, 75, 93, 129, 155, 173, 215, 225, 279, 387, 465, 519, 645, 775, 865, 1075, 1333, 1395, 1557, 1935, 2325, 2595, 3225, 3999, 4325, 5363, 6665, 6975, 7439, 7785, 9675, 11997, 12975, 16089, 19995, 22317, 26815, 33325, 37195, 38925, 48267, 59985, 66951, 80445, 99975, 111585, 134075, 185975, 230609, 241335, 299925, 334755, 402225, 557925, 691827, 1153045, 1206675, 1673775, 2075481, 3459135, 5765225, 10377405, 17295675, 51887025]

約数ペア:

[(1, 51887025), (3, 17295675), (5, 10377405), (9, 5765225), (15, 3459135), (25, 2075481), (31, 1673775), (43, 1206675), (45, 1153045), (75, 691827), (93, 557925), (129, 402225), (155, 334755), (173, 299925), (215, 241335), (225, 230609), (279, 185975), (387, 134075), (465, 111585), (519, 99975), (645, 80445), (775, 66951), (865, 59985), (1075, 48267), (1333, 38925), (1395, 37195), (1557, 33325), (1935, 26815), (2325, 22317), (2595, 19995), (3225, 16089), (3999, 12975), (4325, 11997), (5363, 9675), (6665, 7785), (6975, 7439)]