31281219

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{433}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 47392800

約数和(自身を除く): 16111581

約数列:

[1, 3, 9, 23, 69, 207, 349, 433, 1047, 1299, 3141, 3897, 8027, 9959, 24081, 29877, 72243, 89631, 151117, 453351, 1360053, 3475691, 10427073, 31281219]

約数ペア:

[(1, 31281219), (3, 10427073), (9, 3475691), (23, 1360053), (69, 453351), (207, 151117), (349, 89631), (433, 72243), (1047, 29877), (1299, 24081), (3141, 9959), (3897, 8027)]