91780275

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 157132800

約数和(自身を除く): 65352525

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 149, 191, 215, 447, 573, 645, 745, 955, 1075, 2235, 2865, 3225, 3725, 4775, 6407, 8213, 11175, 14325, 19221, 24639, 28459, 32035, 41065, 85377, 96105, 123195, 142295, 160175, 205325, 426885, 480525, 615975, 711475, 1223737, 2134425, 3671211, 6118685, 18356055, 30593425, 91780275]

約数ペア:

[(1, 91780275), (3, 30593425), (5, 18356055), (15, 6118685), (25, 3671211), (43, 2134425), (75, 1223737), (129, 711475), (149, 615975), (191, 480525), (215, 426885), (447, 205325), (573, 160175), (645, 142295), (745, 123195), (955, 96105), (1075, 85377), (2235, 41065), (2865, 32035), (3225, 28459), (3725, 24639), (4775, 19221), (6407, 14325), (8213, 11175)]