1391890563

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{960587}}^1$

素因数の和:960623

約数の個数: 24

約数和(自身を含む): 2397627648

約数和(自身を除く): 1005737085

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 960587, 2881761, 6724109, 8645283, 20172327, 22093501, 60516981, 66280503, 154654507, 198841509, 463963521, 1391890563]

約数ペア:

[(1, 1391890563), (3, 463963521), (7, 198841509), (9, 154654507), (21, 66280503), (23, 60516981), (63, 22093501), (69, 20172327), (161, 8645283), (207, 6724109), (483, 2881761), (1449, 960587)]