128293875

素因数分解:

$3^4\times 5^3\times {\mathrm{12671}}^1$

素因数の和:12698

約数の個数: 40

約数和(自身を含む): 239196672

約数和(自身を除く): 110902797

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 3375, 10125, 12671, 38013, 63355, 114039, 190065, 316775, 342117, 570195, 950325, 1026351, 1583875, 1710585, 2850975, 4751625, 5131755, 8552925, 14254875, 25658775, 42764625, 128293875]

約数ペア:

[(1, 128293875), (3, 42764625), (5, 25658775), (9, 14254875), (15, 8552925), (25, 5131755), (27, 4751625), (45, 2850975), (75, 1710585), (81, 1583875), (125, 1026351), (135, 950325), (225, 570195), (375, 342117), (405, 316775), (675, 190065), (1125, 114039), (2025, 63355), (3375, 38013), (10125, 12671)]