1288875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{491}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 2456064

約数和(自身を除く): 1167189

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 491, 525, 875, 1473, 2455, 2625, 3437, 7365, 10311, 12275, 17185, 36825, 51555, 61375, 85925, 184125, 257775, 429625, 1288875]

約数ペア:

[(1, 1288875), (3, 429625), (5, 257775), (7, 184125), (15, 85925), (21, 61375), (25, 51555), (35, 36825), (75, 17185), (105, 12275), (125, 10311), (175, 7365), (375, 3437), (491, 2625), (525, 2455), (875, 1473)]