28968885

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 56092608

約数和(自身を除く): 27123723

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 1361, 1419, 1935, 2365, 4083, 4257, 6805, 7095, 12249, 14971, 20415, 21285, 44913, 58523, 61245, 74855, 134739, 175569, 224565, 292615, 526707, 643753, 673695, 877845, 1931259, 2633535, 3218765, 5793777, 9656295, 28968885]

約数ペア:

[(1, 28968885), (3, 9656295), (5, 5793777), (9, 3218765), (11, 2633535), (15, 1931259), (33, 877845), (43, 673695), (45, 643753), (55, 526707), (99, 292615), (129, 224565), (165, 175569), (215, 134739), (387, 74855), (473, 61245), (495, 58523), (645, 44913), (1361, 21285), (1419, 20415), (1935, 14971), (2365, 12249), (4083, 7095), (4257, 6805)]