71508165

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2521}}^1$

素因数の和:2621

約数の個数: 32

約数和(自身を含む): 120087552

約数和(自身を除く): 48579387

約数列:

[1, 3, 5, 15, 31, 61, 93, 155, 183, 305, 465, 915, 1891, 2521, 5673, 7563, 9455, 12605, 28365, 37815, 78151, 153781, 234453, 390755, 461343, 768905, 1172265, 2306715, 4767211, 14301633, 23836055, 71508165]

約数ペア:

[(1, 71508165), (3, 23836055), (5, 14301633), (15, 4767211), (31, 2306715), (61, 1172265), (93, 768905), (155, 461343), (183, 390755), (305, 234453), (465, 153781), (915, 78151), (1891, 37815), (2521, 28365), (5673, 12605), (7563, 9455)]