208769967

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19379}}^1$

素因数の和:19417

約数の個数: 40

約数和(自身を含む): 375196800

約数和(自身を除く): 166426833

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 3591, 10773, 19379, 58137, 135653, 174411, 368201, 406959, 523233, 1104603, 1220877, 1569699, 2577407, 3313809, 3662631, 7732221, 9941427, 10987893, 23196663, 29824281, 69589989, 208769967]

約数ペア:

[(1, 208769967), (3, 69589989), (7, 29824281), (9, 23196663), (19, 10987893), (21, 9941427), (27, 7732221), (57, 3662631), (63, 3313809), (81, 2577407), (133, 1569699), (171, 1220877), (189, 1104603), (399, 523233), (513, 406959), (567, 368201), (1197, 174411), (1539, 135653), (3591, 58137), (10773, 19379)]