86972481

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{8923}}^1$

素因数の和:8970

約数の個数: 24

約数和(自身を含む): 136001760

約数和(自身を除く): 49029279

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 3249, 8923, 9747, 26769, 80307, 169537, 240921, 508611, 1525833, 3221203, 4577499, 9663609, 28990827, 86972481]

約数ペア:

[(1, 86972481), (3, 28990827), (9, 9663609), (19, 4577499), (27, 3221203), (57, 1525833), (171, 508611), (361, 240921), (513, 169537), (1083, 80307), (3249, 26769), (8923, 9747)]