71581563

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{4937}}^1$

素因数の和:5128

約数の個数: 20

約数和(自身を含む): 107549640

約数和(自身を除く): 35968077

約数列:

[1, 3, 9, 27, 81, 179, 537, 1611, 4833, 4937, 14499, 14811, 44433, 133299, 399897, 883723, 2651169, 7953507, 23860521, 71581563]

約数ペア:

[(1, 71581563), (3, 23860521), (9, 7953507), (27, 2651169), (81, 883723), (179, 399897), (537, 133299), (1611, 44433), (4833, 14811), (4937, 14499)]