645977043

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{17167}}^1$

素因数の和:17323

約数の個数: 24

約数和(自身を含む): 966833088

約数和(自身を除く): 320856045

約数列:

[1, 3, 9, 37, 111, 113, 333, 339, 1017, 4181, 12543, 17167, 37629, 51501, 154503, 635179, 1905537, 1939871, 5716611, 5819613, 17458839, 71775227, 215325681, 645977043]

約数ペア:

[(1, 645977043), (3, 215325681), (9, 71775227), (37, 17458839), (111, 5819613), (113, 5716611), (333, 1939871), (339, 1905537), (1017, 635179), (4181, 154503), (12543, 51501), (17167, 37629)]