31980885

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30029}}^1$

素因数の和:30108

約数の個数: 16

約数和(自身を含む): 51891840

約数和(自身を除く): 19910955

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 30029, 90087, 150145, 450435, 2132059, 6396177, 10660295, 31980885]

約数ペア:

[(1, 31980885), (3, 10660295), (5, 6396177), (15, 2132059), (71, 450435), (213, 150145), (355, 90087), (1065, 30029)]