31808385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 63423360

約数和(自身を除く): 31614975

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 241, 315, 419, 723, 1205, 1257, 1687, 2095, 2169, 2933, 3615, 3771, 5061, 6285, 8435, 8799, 10845, 14665, 15183, 18855, 25305, 26397, 43995, 75915, 100979, 131985, 302937, 504895, 706853, 908811, 1514685, 2120559, 3534265, 4544055, 6361677, 10602795, 31808385]

約数ペア:

[(1, 31808385), (3, 10602795), (5, 6361677), (7, 4544055), (9, 3534265), (15, 2120559), (21, 1514685), (35, 908811), (45, 706853), (63, 504895), (105, 302937), (241, 131985), (315, 100979), (419, 75915), (723, 43995), (1205, 26397), (1257, 25305), (1687, 18855), (2095, 15183), (2169, 14665), (2933, 10845), (3615, 8799), (3771, 8435), (5061, 6285)]