71646225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{571}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 136181760

約数和(自身を除く): 64535535

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 239, 525, 571, 717, 1195, 1673, 1713, 2855, 3585, 3997, 5019, 5975, 8365, 8565, 11991, 14275, 17925, 19985, 25095, 41825, 42825, 59955, 99925, 125475, 136469, 299775, 409407, 682345, 955283, 2047035, 2865849, 3411725, 4776415, 10235175, 14329245, 23882075, 71646225]

約数ペア:

[(1, 71646225), (3, 23882075), (5, 14329245), (7, 10235175), (15, 4776415), (21, 3411725), (25, 2865849), (35, 2047035), (75, 955283), (105, 682345), (175, 409407), (239, 299775), (525, 136469), (571, 125475), (717, 99925), (1195, 59955), (1673, 42825), (1713, 41825), (2855, 25095), (3585, 19985), (3997, 17925), (5019, 14275), (5975, 11991), (8365, 8565)]