72680571

素因数分解:

$3^7\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 110208000

約数和(自身を除く): 37527429

約数列:

[1, 3, 9, 27, 81, 167, 199, 243, 501, 597, 729, 1503, 1791, 2187, 4509, 5373, 13527, 16119, 33233, 40581, 48357, 99699, 121743, 145071, 299097, 365229, 435213, 897291, 2691873, 8075619, 24226857, 72680571]

約数ペア:

[(1, 72680571), (3, 24226857), (9, 8075619), (27, 2691873), (81, 897291), (167, 435213), (199, 365229), (243, 299097), (501, 145071), (597, 121743), (729, 99699), (1503, 48357), (1791, 40581), (2187, 33233), (4509, 16119), (5373, 13527)]