31641981

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1453}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 51925248

約数和(自身を除く): 20283267

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 1037, 1281, 1453, 3111, 4359, 7259, 10171, 21777, 24701, 30513, 74103, 88633, 172907, 265899, 518721, 620431, 1506761, 1861293, 4520283, 10547327, 31641981]

約数ペア:

[(1, 31641981), (3, 10547327), (7, 4520283), (17, 1861293), (21, 1506761), (51, 620431), (61, 518721), (119, 265899), (183, 172907), (357, 88633), (427, 74103), (1037, 30513), (1281, 24701), (1453, 21777), (3111, 10171), (4359, 7259)]