81293409

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{47}}^3$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 127296000

約数和(自身を除く): 46002591

約数列:

[1, 3, 9, 27, 29, 47, 87, 141, 261, 423, 783, 1269, 1363, 2209, 4089, 6627, 12267, 19881, 36801, 59643, 64061, 103823, 192183, 311469, 576549, 934407, 1729647, 2803221, 3010867, 9032601, 27097803, 81293409]

約数ペア:

[(1, 81293409), (3, 27097803), (9, 9032601), (27, 3010867), (29, 2803221), (47, 1729647), (87, 934407), (141, 576549), (261, 311469), (423, 192183), (783, 103823), (1269, 64061), (1363, 59643), (2209, 36801), (4089, 19881), (6627, 12267)]