28043955

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4831}}^1$

素因数の和:4888

約数の個数: 32

約数和(自身を含む): 51025920

約数和(自身を除く): 22981965

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 4831, 5805, 14493, 24155, 43479, 72465, 130437, 207733, 217395, 623199, 652185, 1038665, 1869597, 3115995, 5608791, 9347985, 28043955]

約数ペア:

[(1, 28043955), (3, 9347985), (5, 5608791), (9, 3115995), (15, 1869597), (27, 1038665), (43, 652185), (45, 623199), (129, 217395), (135, 207733), (215, 130437), (387, 72465), (645, 43479), (1161, 24155), (1935, 14493), (4831, 5805)]