8380485

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 15320448

約数和(自身を除く): 6939963

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 71, 129, 183, 213, 215, 305, 355, 387, 549, 639, 645, 915, 1065, 1935, 2623, 2745, 3053, 3195, 4331, 7869, 9159, 12993, 13115, 15265, 21655, 23607, 27477, 38979, 39345, 45795, 64965, 118035, 137385, 186233, 194895, 558699, 931165, 1676097, 2793495, 8380485]

約数ペア:

[(1, 8380485), (3, 2793495), (5, 1676097), (9, 931165), (15, 558699), (43, 194895), (45, 186233), (61, 137385), (71, 118035), (129, 64965), (183, 45795), (213, 39345), (215, 38979), (305, 27477), (355, 23607), (387, 21655), (549, 15265), (639, 13115), (645, 12993), (915, 9159), (1065, 7869), (1935, 4331), (2623, 3195), (2745, 3053)]