201623775

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{619}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 345037440

約数和(自身を除く): 143413665

約数列:

[1, 3, 5, 15, 25, 43, 75, 101, 129, 215, 303, 505, 619, 645, 1075, 1515, 1857, 2525, 3095, 3225, 4343, 7575, 9285, 13029, 15475, 21715, 26617, 46425, 62519, 65145, 79851, 108575, 133085, 187557, 312595, 325725, 399255, 665425, 937785, 1562975, 1996275, 2688317, 4688925, 8064951, 13441585, 40324755, 67207925, 201623775]

約数ペア:

[(1, 201623775), (3, 67207925), (5, 40324755), (15, 13441585), (25, 8064951), (43, 4688925), (75, 2688317), (101, 1996275), (129, 1562975), (215, 937785), (303, 665425), (505, 399255), (619, 325725), (645, 312595), (1075, 187557), (1515, 133085), (1857, 108575), (2525, 79851), (3095, 65145), (3225, 62519), (4343, 46425), (7575, 26617), (9285, 21715), (13029, 15475)]