81330588

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{20353}}^1$

素因数の和:20403

約数の個数: 48

約数和(自身を含む): 216566560

約数和(自身を除く): 135235972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 20353, 40706, 61059, 81412, 122118, 183177, 244236, 366354, 549531, 732708, 753061, 1099062, 1506122, 2198124, 2259183, 3012244, 4518366, 6777549, 9036732, 13555098, 20332647, 27110196, 40665294, 81330588]

約数ペア:

[(1, 81330588), (2, 40665294), (3, 27110196), (4, 20332647), (6, 13555098), (9, 9036732), (12, 6777549), (18, 4518366), (27, 3012244), (36, 2259183), (37, 2198124), (54, 1506122), (74, 1099062), (108, 753061), (111, 732708), (148, 549531), (222, 366354), (333, 244236), (444, 183177), (666, 122118), (999, 81412), (1332, 61059), (1998, 40706), (3996, 20353)]