398777955

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1\times {\mathrm{1399}}^1$

素因数の和:2051

約数の個数: 32

約数和(自身を含む): 660172800

約数和(自身を除く): 261394845

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 613, 1399, 1839, 3065, 4197, 6995, 9195, 19003, 20985, 43369, 57009, 95015, 130107, 216845, 285045, 650535, 857587, 2572761, 4287935, 12863805, 26585197, 79755591, 132925985, 398777955]

約数ペア:

[(1, 398777955), (3, 132925985), (5, 79755591), (15, 26585197), (31, 12863805), (93, 4287935), (155, 2572761), (465, 857587), (613, 650535), (1399, 285045), (1839, 216845), (3065, 130107), (4197, 95015), (6995, 57009), (9195, 43369), (19003, 20985)]