72780375

素因数分解:

$3^1\times 5^3\times {\mathrm{421}}^1\times {\mathrm{461}}^1$

素因数の和:900

約数の個数: 32

約数和(自身を含む): 121657536

約数和(自身を除く): 48877161

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 421, 461, 1263, 1383, 2105, 2305, 6315, 6915, 10525, 11525, 31575, 34575, 52625, 57625, 157875, 172875, 194081, 582243, 970405, 2911215, 4852025, 14556075, 24260125, 72780375]

約数ペア:

[(1, 72780375), (3, 24260125), (5, 14556075), (15, 4852025), (25, 2911215), (75, 970405), (125, 582243), (375, 194081), (421, 172875), (461, 157875), (1263, 57625), (1383, 52625), (2105, 34575), (2305, 31575), (6315, 11525), (6915, 10525)]