31113801

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{12391}}^1$

素因数の和:12434

約数の個数: 20

約数和(自身を含む): 47981824

約数和(自身を除く): 16868023

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 12391, 37173, 111519, 334557, 384121, 1003671, 1152363, 3457089, 10371267, 31113801]

約数ペア:

[(1, 31113801), (3, 10371267), (9, 3457089), (27, 1152363), (31, 1003671), (81, 384121), (93, 334557), (279, 111519), (837, 37173), (2511, 12391)]