12966375

素因数分解:

$3^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 21924864

約数和(自身を除く): 8958489

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 355, 375, 487, 1065, 1461, 1775, 2435, 5325, 7305, 8875, 12175, 26625, 34577, 36525, 60875, 103731, 172885, 182625, 518655, 864425, 2593275, 4322125, 12966375]

約数ペア:

[(1, 12966375), (3, 4322125), (5, 2593275), (15, 864425), (25, 518655), (71, 182625), (75, 172885), (125, 103731), (213, 60875), (355, 36525), (375, 34577), (487, 26625), (1065, 12175), (1461, 8875), (1775, 7305), (2435, 5325)]