87187425

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 156323328

約数和(自身を除く): 69135903

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 223, 325, 401, 669, 975, 1115, 1203, 2005, 2899, 3345, 5213, 5575, 6015, 8697, 10025, 14495, 15639, 16725, 26065, 30075, 43485, 72475, 78195, 89423, 130325, 217425, 268269, 390975, 447115, 1162499, 1341345, 2235575, 3487497, 5812495, 6706725, 17437485, 29062475, 87187425]

約数ペア:

[(1, 87187425), (3, 29062475), (5, 17437485), (13, 6706725), (15, 5812495), (25, 3487497), (39, 2235575), (65, 1341345), (75, 1162499), (195, 447115), (223, 390975), (325, 268269), (401, 217425), (669, 130325), (975, 89423), (1115, 78195), (1203, 72475), (2005, 43485), (2899, 30075), (3345, 26065), (5213, 16725), (5575, 15639), (6015, 14495), (8697, 10025)]