68997825

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2621}}^1$

素因数の和:2656

約数の個数: 60

約数和(自身を含む): 137691708

約数和(自身を除く): 68693883

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 81, 117, 135, 195, 225, 325, 351, 405, 585, 675, 975, 1053, 1755, 2025, 2621, 2925, 5265, 7863, 8775, 13105, 23589, 26325, 34073, 39315, 65525, 70767, 102219, 117945, 170365, 196575, 212301, 306657, 353835, 511095, 589725, 851825, 919971, 1061505, 1533285, 1769175, 2555475, 2759913, 4599855, 5307525, 7666425, 13799565, 22999275, 68997825]

約数ペア:

[(1, 68997825), (3, 22999275), (5, 13799565), (9, 7666425), (13, 5307525), (15, 4599855), (25, 2759913), (27, 2555475), (39, 1769175), (45, 1533285), (65, 1061505), (75, 919971), (81, 851825), (117, 589725), (135, 511095), (195, 353835), (225, 306657), (325, 212301), (351, 196575), (405, 170365), (585, 117945), (675, 102219), (975, 70767), (1053, 65525), (1755, 39315), (2025, 34073), (2621, 26325), (2925, 23589), (5265, 13105), (7863, 8775)]