81489051

素因数分解:

$3^3\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1201}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 138470400

約数和(自身を除く): 56981349

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 359, 1077, 1201, 2513, 3231, 3603, 7539, 8407, 9693, 10809, 22617, 25221, 32427, 67851, 75663, 226989, 431159, 1293477, 3018113, 3880431, 9054339, 11641293, 27163017, 81489051]

約数ペア:

[(1, 81489051), (3, 27163017), (7, 11641293), (9, 9054339), (21, 3880431), (27, 3018113), (63, 1293477), (189, 431159), (359, 226989), (1077, 75663), (1201, 67851), (2513, 32427), (3231, 25221), (3603, 22617), (7539, 10809), (8407, 9693)]