2638251

素因数分解:

$3^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:83

約数の個数: 56

約数和(自身を含む): 5036544

約数和(自身を除く): 2398293

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 47, 63, 77, 81, 99, 141, 189, 231, 243, 297, 329, 423, 517, 567, 693, 729, 891, 987, 1269, 1551, 1701, 2079, 2673, 2961, 3619, 3807, 4653, 5103, 6237, 8019, 8883, 10857, 11421, 13959, 18711, 26649, 32571, 34263, 41877, 56133, 79947, 97713, 125631, 239841, 293139, 376893, 879417, 2638251]

約数ペア:

[(1, 2638251), (3, 879417), (7, 376893), (9, 293139), (11, 239841), (21, 125631), (27, 97713), (33, 79947), (47, 56133), (63, 41877), (77, 34263), (81, 32571), (99, 26649), (141, 18711), (189, 13959), (231, 11421), (243, 10857), (297, 8883), (329, 8019), (423, 6237), (517, 5103), (567, 4653), (693, 3807), (729, 3619), (891, 2961), (987, 2673), (1269, 2079), (1551, 1701)]