21727875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4457}}^1$

素因数の和:4488

約数の個数: 32

約数和(自身を含む): 38945088

約数和(自身を除く): 17217213

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4457, 4875, 13371, 22285, 57941, 66855, 111425, 173823, 289705, 334275, 557125, 869115, 1448525, 1671375, 4345575, 7242625, 21727875]

約数ペア:

[(1, 21727875), (3, 7242625), (5, 4345575), (13, 1671375), (15, 1448525), (25, 869115), (39, 557125), (65, 334275), (75, 289705), (125, 173823), (195, 111425), (325, 66855), (375, 57941), (975, 22285), (1625, 13371), (4457, 4875)]