72509175

素因数分解:

$3^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{587}}^1$

素因数の和:670

約数の個数: 60

約数和(自身を含む): 136746456

約数和(自身を除く): 64237281

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 135, 183, 225, 305, 405, 549, 587, 675, 915, 1525, 1647, 1761, 2025, 2745, 2935, 4575, 4941, 5283, 8235, 8805, 13725, 14675, 15849, 24705, 26415, 35807, 41175, 44025, 47547, 79245, 107421, 123525, 132075, 179035, 237735, 322263, 396225, 537105, 895175, 966789, 1188675, 1611315, 2685525, 2900367, 4833945, 8056575, 14501835, 24169725, 72509175]

約数ペア:

[(1, 72509175), (3, 24169725), (5, 14501835), (9, 8056575), (15, 4833945), (25, 2900367), (27, 2685525), (45, 1611315), (61, 1188675), (75, 966789), (81, 895175), (135, 537105), (183, 396225), (225, 322263), (305, 237735), (405, 179035), (549, 132075), (587, 123525), (675, 107421), (915, 79245), (1525, 47547), (1647, 44025), (1761, 41175), (2025, 35807), (2745, 26415), (2935, 24705), (4575, 15849), (4941, 14675), (5283, 13725), (8235, 8805)]