12920223057

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1247969}}^1$

素因数の和:1248025

約数の個数: 32

約数和(自身を含む): 21564921600

約数和(自身を除く): 8644698543

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 3451, 10353, 1247969, 3743907, 8735783, 21215473, 26207349, 36191101, 63646419, 108573303, 148508311, 253337707, 445524933, 615248717, 760013121, 1845746151, 4306741019, 12920223057]

約数ペア:

[(1, 12920223057), (3, 4306741019), (7, 1845746151), (17, 760013121), (21, 615248717), (29, 445524933), (51, 253337707), (87, 148508311), (119, 108573303), (203, 63646419), (357, 36191101), (493, 26207349), (609, 21215473), (1479, 8735783), (3451, 3743907), (10353, 1247969)]