81457326

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{8243}}^1$

素因数の和:8318

約数の個数: 40

約数和(自身を含む): 185539464

約数和(自身を除く): 104082138

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 549, 1098, 1647, 3294, 4941, 8243, 9882, 16486, 24729, 49458, 74187, 148374, 222561, 445122, 502823, 667683, 1005646, 1335366, 1508469, 3016938, 4525407, 9050814, 13576221, 27152442, 40728663, 81457326]

約数ペア:

[(1, 81457326), (2, 40728663), (3, 27152442), (6, 13576221), (9, 9050814), (18, 4525407), (27, 3016938), (54, 1508469), (61, 1335366), (81, 1005646), (122, 667683), (162, 502823), (183, 445122), (366, 222561), (549, 148374), (1098, 74187), (1647, 49458), (3294, 24729), (4941, 16486), (8243, 9882)]