64697625

素因数分解:

$3^2\times 5^3\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:591

約数の個数: 48

約数和(自身を含む): 117786240

約数和(自身を除く): 53088615

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 131, 225, 375, 393, 439, 655, 1125, 1179, 1317, 1965, 2195, 3275, 3951, 5895, 6585, 9825, 10975, 16375, 19755, 29475, 32925, 49125, 54875, 57509, 98775, 147375, 164625, 172527, 287545, 493875, 517581, 862635, 1437725, 2587905, 4313175, 7188625, 12939525, 21565875, 64697625]

約数ペア:

[(1, 64697625), (3, 21565875), (5, 12939525), (9, 7188625), (15, 4313175), (25, 2587905), (45, 1437725), (75, 862635), (125, 517581), (131, 493875), (225, 287545), (375, 172527), (393, 164625), (439, 147375), (655, 98775), (1125, 57509), (1179, 54875), (1317, 49125), (1965, 32925), (2195, 29475), (3275, 19755), (3951, 16375), (5895, 10975), (6585, 9825)]