30721353

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 47658240

約数和(自身を除く): 16936887

約数列:

[1, 3, 13, 23, 29, 39, 69, 87, 299, 377, 667, 897, 1131, 1181, 2001, 3543, 8671, 15353, 26013, 27163, 34249, 46059, 81489, 102747, 353119, 445237, 787727, 1059357, 1335711, 2363181, 10240451, 30721353]

約数ペア:

[(1, 30721353), (3, 10240451), (13, 2363181), (23, 1335711), (29, 1059357), (39, 787727), (69, 445237), (87, 353119), (299, 102747), (377, 81489), (667, 46059), (897, 34249), (1131, 27163), (1181, 26013), (2001, 15353), (3543, 8671)]