12968943

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 20385792

約数和(自身を除く): 7416849

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 631, 663, 1209, 1581, 1893, 6851, 8203, 10727, 19561, 20553, 24609, 32181, 58683, 139451, 254293, 332537, 418353, 762879, 997611, 4322981, 12968943]

約数ペア:

[(1, 12968943), (3, 4322981), (13, 997611), (17, 762879), (31, 418353), (39, 332537), (51, 254293), (93, 139451), (221, 58683), (403, 32181), (527, 24609), (631, 20553), (663, 19561), (1209, 10727), (1581, 8203), (1893, 6851)]