161775159

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13781}}^1$

素因数の和:13847

約数の個数: 32

約数和(自身を含む): 271670784

約数和(自身を除く): 109895625

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 11739, 13781, 41343, 96467, 179153, 289401, 537459, 592583, 1254071, 1777749, 3762213, 4148081, 7703579, 12444243, 23110737, 53925053, 161775159]

約数ペア:

[(1, 161775159), (3, 53925053), (7, 23110737), (13, 12444243), (21, 7703579), (39, 4148081), (43, 3762213), (91, 1777749), (129, 1254071), (273, 592583), (301, 537459), (559, 289401), (903, 179153), (1677, 96467), (3913, 41343), (11739, 13781)]