27637725

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 48121920

約数和(自身を除く): 20484195

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 97, 131, 145, 291, 393, 435, 485, 655, 725, 1455, 1965, 2175, 2425, 2813, 3275, 3799, 7275, 8439, 9825, 11397, 12707, 14065, 18995, 38121, 42195, 56985, 63535, 70325, 94975, 190605, 210975, 284925, 317675, 368503, 953025, 1105509, 1842515, 5527545, 9212575, 27637725]

約数ペア:

[(1, 27637725), (3, 9212575), (5, 5527545), (15, 1842515), (25, 1105509), (29, 953025), (75, 368503), (87, 317675), (97, 284925), (131, 210975), (145, 190605), (291, 94975), (393, 70325), (435, 63535), (485, 56985), (655, 42195), (725, 38121), (1455, 18995), (1965, 14065), (2175, 12707), (2425, 11397), (2813, 9825), (3275, 8439), (3799, 7275)]