1617990975

素因数分解:

$3^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 2944795152

約数和(自身を除く): 1326804177

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 157, 163, 225, 281, 471, 489, 785, 815, 843, 1405, 1413, 1467, 2355, 2445, 2529, 3925, 4075, 4215, 7025, 7065, 7335, 11775, 12225, 12645, 21075, 25591, 35325, 36675, 44117, 45803, 63225, 76773, 127955, 132351, 137409, 220585, 229015, 230319, 383865, 397053, 412227, 639775, 661755, 687045, 1102925, 1145075, 1151595, 1919325, 1985265, 2061135, 3308775, 3435225, 5757975, 7191071, 9926325, 10305675, 21573213, 35955355, 64719639, 107866065, 179776775, 323598195, 539330325, 1617990975]

約数ペア:

[(1, 1617990975), (3, 539330325), (5, 323598195), (9, 179776775), (15, 107866065), (25, 64719639), (45, 35955355), (75, 21573213), (157, 10305675), (163, 9926325), (225, 7191071), (281, 5757975), (471, 3435225), (489, 3308775), (785, 2061135), (815, 1985265), (843, 1919325), (1405, 1151595), (1413, 1145075), (1467, 1102925), (2355, 687045), (2445, 661755), (2529, 639775), (3925, 412227), (4075, 397053), (4215, 383865), (7025, 230319), (7065, 229015), (7335, 220585), (11775, 137409), (12225, 132351), (12645, 127955), (21075, 76773), (25591, 63225), (35325, 45803), (36675, 44117)]