66387825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:775

約数の個数: 72

約数和(自身を含む): 138322496

約数和(自身を除く): 71934671

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 61, 63, 75, 105, 175, 183, 225, 305, 315, 427, 525, 549, 691, 915, 1281, 1525, 1575, 2073, 2135, 2745, 3455, 3843, 4575, 4837, 6219, 6405, 10365, 10675, 13725, 14511, 17275, 19215, 24185, 31095, 32025, 42151, 43533, 51825, 72555, 96075, 120925, 126453, 155475, 210755, 217665, 295057, 362775, 379359, 632265, 885171, 1053775, 1088325, 1475285, 1896795, 2655513, 3161325, 4425855, 7376425, 9483975, 13277565, 22129275, 66387825]

約数ペア:

[(1, 66387825), (3, 22129275), (5, 13277565), (7, 9483975), (9, 7376425), (15, 4425855), (21, 3161325), (25, 2655513), (35, 1896795), (45, 1475285), (61, 1088325), (63, 1053775), (75, 885171), (105, 632265), (175, 379359), (183, 362775), (225, 295057), (305, 217665), (315, 210755), (427, 155475), (525, 126453), (549, 120925), (691, 96075), (915, 72555), (1281, 51825), (1525, 43533), (1575, 42151), (2073, 32025), (2135, 31095), (2745, 24185), (3455, 19215), (3843, 17275), (4575, 14511), (4837, 13725), (6219, 10675), (6405, 10365)]