208847475

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{40357}}^1$

素因数の和:40396

約数の個数: 36

約数和(自身を含む): 390342576

約数和(自身を除く): 181495101

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 40357, 121071, 201785, 363213, 605355, 928211, 1008925, 1816065, 2784633, 3026775, 4641055, 8353899, 9080325, 13923165, 23205275, 41769495, 69615825, 208847475]

約数ペア:

[(1, 208847475), (3, 69615825), (5, 41769495), (9, 23205275), (15, 13923165), (23, 9080325), (25, 8353899), (45, 4641055), (69, 3026775), (75, 2784633), (115, 1816065), (207, 1008925), (225, 928211), (345, 605355), (575, 363213), (1035, 201785), (1725, 121071), (5175, 40357)]