81990954

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{8297}}^1$

素因数の和:8372

約数の個数: 40

約数和(自身を含む): 186754788

約数和(自身を除く): 104763834

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 549, 1098, 1647, 3294, 4941, 8297, 9882, 16594, 24891, 49782, 74673, 149346, 224019, 448038, 506117, 672057, 1012234, 1344114, 1518351, 3036702, 4555053, 9110106, 13665159, 27330318, 40995477, 81990954]

約数ペア:

[(1, 81990954), (2, 40995477), (3, 27330318), (6, 13665159), (9, 9110106), (18, 4555053), (27, 3036702), (54, 1518351), (61, 1344114), (81, 1012234), (122, 672057), (162, 506117), (183, 448038), (366, 224019), (549, 149346), (1098, 74673), (1647, 49782), (3294, 24891), (4941, 16594), (8297, 9882)]