81477393

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{2081}}^1$

素因数の和:2536

約数の個数: 16

約数和(自身を含む): 112461312

約数和(自身を除く): 30983919

約数列:

[1, 3, 31, 93, 421, 1263, 2081, 6243, 13051, 39153, 64511, 193533, 876101, 2628303, 27159131, 81477393]

約数ペア:

[(1, 81477393), (3, 27159131), (31, 2628303), (93, 876101), (421, 193533), (1263, 64511), (2081, 39153), (6243, 13051)]