211327571

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{4357}}^1$

素因数の和:4431

約数の個数: 24

約数和(自身を含む): 267964704

約数和(自身を除く): 56637133

約数列:

[1, 7, 13, 41, 91, 169, 287, 533, 1183, 3731, 4357, 6929, 30499, 48503, 56641, 178637, 396487, 736333, 1250459, 2322281, 5154331, 16255967, 30189653, 211327571]

約数ペア:

[(1, 211327571), (7, 30189653), (13, 16255967), (41, 5154331), (91, 2322281), (169, 1250459), (287, 736333), (533, 396487), (1183, 178637), (3731, 56641), (4357, 48503), (6929, 30499)]