61540155

素因数分解:

$3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:178

約数の個数: 80

約数和(自身を含む): 116671104

約数和(自身を除く): 55130949

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 53, 61, 81, 135, 141, 159, 183, 235, 265, 305, 405, 423, 477, 549, 705, 795, 915, 1269, 1431, 1647, 2115, 2385, 2491, 2745, 2867, 3233, 3807, 4293, 4941, 6345, 7155, 7473, 8235, 8601, 9699, 12455, 14335, 16165, 19035, 21465, 22419, 24705, 25803, 29097, 37365, 43005, 48495, 67257, 77409, 87291, 112095, 129015, 145485, 151951, 201771, 232227, 261873, 336285, 387045, 436455, 455853, 759755, 1008855, 1161135, 1309365, 1367559, 2279265, 4102677, 6837795, 12308031, 20513385, 61540155]

約数ペア:

[(1, 61540155), (3, 20513385), (5, 12308031), (9, 6837795), (15, 4102677), (27, 2279265), (45, 1367559), (47, 1309365), (53, 1161135), (61, 1008855), (81, 759755), (135, 455853), (141, 436455), (159, 387045), (183, 336285), (235, 261873), (265, 232227), (305, 201771), (405, 151951), (423, 145485), (477, 129015), (549, 112095), (705, 87291), (795, 77409), (915, 67257), (1269, 48495), (1431, 43005), (1647, 37365), (2115, 29097), (2385, 25803), (2491, 24705), (2745, 22419), (2867, 21465), (3233, 19035), (3807, 16165), (4293, 14335), (4941, 12455), (6345, 9699), (7155, 8601), (7473, 8235)]