51421335

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1692

約数の個数: 48

約数和(自身を含む): 97992576

約数和(自身を除く): 46571241

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 645, 735, 903, 1505, 1627, 2107, 4515, 4881, 6321, 8135, 10535, 11389, 24405, 31605, 34167, 56945, 69961, 79723, 170835, 209883, 239169, 349805, 398615, 489727, 1049415, 1195845, 1469181, 2448635, 3428089, 7345905, 10284267, 17140445, 51421335]

約数ペア:

[(1, 51421335), (3, 17140445), (5, 10284267), (7, 7345905), (15, 3428089), (21, 2448635), (35, 1469181), (43, 1195845), (49, 1049415), (105, 489727), (129, 398615), (147, 349805), (215, 239169), (245, 209883), (301, 170835), (645, 79723), (735, 69961), (903, 56945), (1505, 34167), (1627, 31605), (2107, 24405), (4515, 11389), (4881, 10535), (6321, 8135)]