455869281

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{821}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 704210688

約数和(自身を除く): 248341407

約数列:

[1, 3, 7, 21, 137, 193, 411, 579, 821, 959, 1351, 2463, 2877, 4053, 5747, 17241, 26441, 79323, 112477, 158453, 185087, 337431, 475359, 555261, 787339, 1109171, 2362017, 3327513, 21708061, 65124183, 151956427, 455869281]

約数ペア:

[(1, 455869281), (3, 151956427), (7, 65124183), (21, 21708061), (137, 3327513), (193, 2362017), (411, 1109171), (579, 787339), (821, 555261), (959, 475359), (1351, 337431), (2463, 185087), (2877, 158453), (4053, 112477), (5747, 79323), (17241, 26441)]