11981488653

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{8171}}^1$

素因数の和:8647

約数の個数: 40

約数和(自身を含む): 18360261216

約数和(自身を除く): 6378772563

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 421, 1161, 1263, 3483, 3789, 8171, 11367, 18103, 24513, 34101, 54309, 73539, 162927, 220617, 351353, 488781, 661851, 1054059, 1466343, 3162177, 3439991, 9486531, 10319973, 28459593, 30959919, 92879757, 147919613, 278639271, 443758839, 1331276517, 3993829551, 11981488653]

約数ペア:

[(1, 11981488653), (3, 3993829551), (9, 1331276517), (27, 443758839), (43, 278639271), (81, 147919613), (129, 92879757), (387, 30959919), (421, 28459593), (1161, 10319973), (1263, 9486531), (3483, 3439991), (3789, 3162177), (8171, 1466343), (11367, 1054059), (18103, 661851), (24513, 488781), (34101, 351353), (54309, 220617), (73539, 162927)]