68028975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 142371840

約数和(自身を除く): 74342865

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 63, 75, 105, 141, 175, 225, 235, 315, 329, 423, 525, 705, 919, 987, 1175, 1575, 1645, 2115, 2757, 2961, 3525, 4595, 4935, 6433, 8225, 8271, 10575, 13785, 14805, 19299, 22975, 24675, 32165, 41355, 43193, 57897, 68925, 74025, 96495, 129579, 160825, 206775, 215965, 289485, 302351, 388737, 482475, 647895, 907053, 1079825, 1447425, 1511755, 1943685, 2721159, 3239475, 4535265, 7558775, 9718425, 13605795, 22676325, 68028975]

約数ペア:

[(1, 68028975), (3, 22676325), (5, 13605795), (7, 9718425), (9, 7558775), (15, 4535265), (21, 3239475), (25, 2721159), (35, 1943685), (45, 1511755), (47, 1447425), (63, 1079825), (75, 907053), (105, 647895), (141, 482475), (175, 388737), (225, 302351), (235, 289485), (315, 215965), (329, 206775), (423, 160825), (525, 129579), (705, 96495), (919, 74025), (987, 68925), (1175, 57897), (1575, 43193), (1645, 41355), (2115, 32165), (2757, 24675), (2961, 22975), (3525, 19299), (4595, 14805), (4935, 13785), (6433, 10575), (8225, 8271)]