81174798

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^2\times {\mathrm{271}}^1$

素因数の和:371

約数の個数: 60

約数和(自身を含む): 186907248

約数和(自身を除く): 105732450

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 258, 271, 387, 542, 774, 813, 1161, 1626, 1849, 2322, 2439, 3483, 3698, 4878, 5547, 6966, 7317, 11094, 11653, 14634, 16641, 21951, 23306, 33282, 34959, 43902, 49923, 69918, 99846, 104877, 149769, 209754, 299538, 314631, 501079, 629262, 943893, 1002158, 1503237, 1887786, 3006474, 4509711, 9019422, 13529133, 27058266, 40587399, 81174798]

約数ペア:

[(1, 81174798), (2, 40587399), (3, 27058266), (6, 13529133), (9, 9019422), (18, 4509711), (27, 3006474), (43, 1887786), (54, 1503237), (81, 1002158), (86, 943893), (129, 629262), (162, 501079), (258, 314631), (271, 299538), (387, 209754), (542, 149769), (774, 104877), (813, 99846), (1161, 69918), (1626, 49923), (1849, 43902), (2322, 34959), (2439, 33282), (3483, 23306), (3698, 21951), (4878, 16641), (5547, 14634), (6966, 11653), (7317, 11094)]