28178745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1607}}^1$

素因数の和:1789

約数の個数: 32

約数和(自身を含む): 51867648

約数和(自身を除く): 23688903

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 167, 501, 835, 1169, 1607, 2505, 3507, 4821, 5845, 8035, 11249, 17535, 24105, 33747, 56245, 168735, 268369, 805107, 1341845, 1878583, 4025535, 5635749, 9392915, 28178745]

約数ペア:

[(1, 28178745), (3, 9392915), (5, 5635749), (7, 4025535), (15, 1878583), (21, 1341845), (35, 805107), (105, 268369), (167, 168735), (501, 56245), (835, 33747), (1169, 24105), (1607, 17535), (2505, 11249), (3507, 8035), (4821, 5845)]