7172997

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 11289600

約数和(自身を除く): 4116603

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 349, 403, 527, 663, 1047, 1209, 1581, 4537, 5933, 6851, 10819, 13611, 17799, 20553, 32457, 77129, 140647, 183923, 231387, 421941, 551769, 2390999, 7172997]

約数ペア:

[(1, 7172997), (3, 2390999), (13, 551769), (17, 421941), (31, 231387), (39, 183923), (51, 140647), (93, 77129), (221, 32457), (349, 20553), (403, 17799), (527, 13611), (663, 10819), (1047, 6851), (1209, 5933), (1581, 4537)]