18125625

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{1381}}^1$

素因数の和:1411

約数の個数: 40

約数和(自身を含む): 34538944

約数和(自身を除く): 16413319

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 625, 875, 1381, 1875, 2625, 4143, 4375, 6905, 9667, 13125, 20715, 29001, 34525, 48335, 103575, 145005, 172625, 241675, 517875, 725025, 863125, 1208375, 2589375, 3625125, 6041875, 18125625]

約数ペア:

[(1, 18125625), (3, 6041875), (5, 3625125), (7, 2589375), (15, 1208375), (21, 863125), (25, 725025), (35, 517875), (75, 241675), (105, 172625), (125, 145005), (175, 103575), (375, 48335), (525, 34525), (625, 29001), (875, 20715), (1381, 13125), (1875, 9667), (2625, 6905), (4143, 4375)]