28117485

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 54445248

約数和(自身を除く): 26327763

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 1321, 1419, 1935, 2365, 3963, 4257, 6605, 7095, 11889, 14531, 19815, 21285, 43593, 56803, 59445, 72655, 130779, 170409, 217965, 284015, 511227, 624833, 653895, 852045, 1874499, 2556135, 3124165, 5623497, 9372495, 28117485]

約数ペア:

[(1, 28117485), (3, 9372495), (5, 5623497), (9, 3124165), (11, 2556135), (15, 1874499), (33, 852045), (43, 653895), (45, 624833), (55, 511227), (99, 284015), (129, 217965), (165, 170409), (215, 130779), (387, 72655), (473, 59445), (495, 56803), (645, 43593), (1321, 21285), (1419, 19815), (1935, 14531), (2365, 11889), (3963, 7095), (4257, 6605)]