869421

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2179}}^1$

素因数の和:2208

約数の個数: 16

約数和(自身を含む): 1395200

約数和(自身を除く): 525779

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2179, 6537, 15253, 41401, 45759, 124203, 289807, 869421]

約数ペア:

[(1, 869421), (3, 289807), (7, 124203), (19, 45759), (21, 41401), (57, 15253), (133, 6537), (399, 2179)]