3171455

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 32

約数和(自身を含む): 4669440

約数和(自身を除く): 1497985

約数列:

[1, 5, 7, 31, 35, 37, 79, 155, 185, 217, 259, 395, 553, 1085, 1147, 1295, 2449, 2765, 2923, 5735, 8029, 12245, 14615, 17143, 20461, 40145, 85715, 90613, 102305, 453065, 634291, 3171455]

約数ペア:

[(1, 3171455), (5, 634291), (7, 453065), (31, 102305), (35, 90613), (37, 85715), (79, 40145), (155, 20461), (185, 17143), (217, 14615), (259, 12245), (395, 8029), (553, 5735), (1085, 2923), (1147, 2765), (1295, 2449)]