81335988

素因数分解:

$2^2\times 3^6\times {\mathrm{27893}}^1$

素因数の和:27915

約数の個数: 42

約数和(自身を含む): 213416994

約数和(自身を除く): 132081006

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 27893, 55786, 83679, 111572, 167358, 251037, 334716, 502074, 753111, 1004148, 1506222, 2259333, 3012444, 4518666, 6777999, 9037332, 13555998, 20333997, 27111996, 40667994, 81335988]

約数ペア:

[(1, 81335988), (2, 40667994), (3, 27111996), (4, 20333997), (6, 13555998), (9, 9037332), (12, 6777999), (18, 4518666), (27, 3012444), (36, 2259333), (54, 1506222), (81, 1004148), (108, 753111), (162, 502074), (243, 334716), (324, 251037), (486, 167358), (729, 111572), (972, 83679), (1458, 55786), (2916, 27893)]