81369036

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{11959}}^1$

素因数の和:11985

約数の個数: 72

約数和(自身を含む): 243792640

約数和(自身を除く): 162423604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 6804, 11959, 23918, 35877, 47836, 71754, 83713, 107631, 143508, 167426, 215262, 251139, 322893, 334852, 430524, 502278, 645786, 753417, 968679, 1004556, 1291572, 1506834, 1937358, 2260251, 2906037, 3013668, 3874716, 4520502, 5812074, 6780753, 9041004, 11624148, 13561506, 20342259, 27123012, 40684518, 81369036]

約数ペア:

[(1, 81369036), (2, 40684518), (3, 27123012), (4, 20342259), (6, 13561506), (7, 11624148), (9, 9041004), (12, 6780753), (14, 5812074), (18, 4520502), (21, 3874716), (27, 3013668), (28, 2906037), (36, 2260251), (42, 1937358), (54, 1506834), (63, 1291572), (81, 1004556), (84, 968679), (108, 753417), (126, 645786), (162, 502278), (189, 430524), (243, 334852), (252, 322893), (324, 251139), (378, 215262), (486, 167426), (567, 143508), (756, 107631), (972, 83713), (1134, 71754), (1701, 47836), (2268, 35877), (3402, 23918), (6804, 11959)]