2159703

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:325

約数の個数: 40

約数和(自身を含む): 3984288

約数和(自身を除く): 1824585

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 293, 351, 567, 819, 879, 1053, 2051, 2457, 2637, 3809, 6153, 7371, 7911, 11427, 18459, 23733, 26663, 34281, 55377, 79989, 102843, 166131, 239967, 308529, 719901, 2159703]

約数ペア:

[(1, 2159703), (3, 719901), (7, 308529), (9, 239967), (13, 166131), (21, 102843), (27, 79989), (39, 55377), (63, 34281), (81, 26663), (91, 23733), (117, 18459), (189, 11427), (273, 7911), (293, 7371), (351, 6153), (567, 3809), (819, 2637), (879, 2457), (1053, 2051)]