398879145

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{787}}^1\times {\mathrm{1609}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 791656320

約数和(自身を除く): 392777175

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 787, 1609, 2361, 3935, 4827, 5509, 7083, 8045, 11263, 11805, 14481, 16527, 24135, 27545, 33789, 35415, 49581, 56315, 72405, 82635, 101367, 168945, 247905, 506835, 1266283, 3798849, 6331415, 8863981, 11396547, 18994245, 26591943, 44319905, 56982735, 79775829, 132959715, 398879145]

約数ペア:

[(1, 398879145), (3, 132959715), (5, 79775829), (7, 56982735), (9, 44319905), (15, 26591943), (21, 18994245), (35, 11396547), (45, 8863981), (63, 6331415), (105, 3798849), (315, 1266283), (787, 506835), (1609, 247905), (2361, 168945), (3935, 101367), (4827, 82635), (5509, 72405), (7083, 56315), (8045, 49581), (11263, 35415), (11805, 33789), (14481, 27545), (16527, 24135)]