19088001

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 29715840

約数和(自身を除く): 10627839

約数列:

[1, 3, 9, 27, 41, 43, 123, 129, 369, 387, 401, 1107, 1161, 1203, 1763, 3609, 5289, 10827, 15867, 16441, 17243, 47601, 49323, 51729, 147969, 155187, 443907, 465561, 706963, 2120889, 6362667, 19088001]

約数ペア:

[(1, 19088001), (3, 6362667), (9, 2120889), (27, 706963), (41, 465561), (43, 443907), (123, 155187), (129, 147969), (369, 51729), (387, 49323), (401, 47601), (1107, 17243), (1161, 16441), (1203, 15867), (1763, 10827), (3609, 5289)]