127900521

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 216770944

約数和(自身を除く): 88870423

約数列:

[1, 3, 7, 9, 21, 63, 67, 157, 193, 201, 469, 471, 579, 603, 1099, 1351, 1407, 1413, 1737, 3297, 4053, 4221, 9891, 10519, 12159, 12931, 30301, 31557, 38793, 73633, 90517, 90903, 94671, 116379, 212107, 220899, 271551, 272709, 636321, 662697, 814653, 1908963, 2030167, 6090501, 14211169, 18271503, 42633507, 127900521]

約数ペア:

[(1, 127900521), (3, 42633507), (7, 18271503), (9, 14211169), (21, 6090501), (63, 2030167), (67, 1908963), (157, 814653), (193, 662697), (201, 636321), (469, 272709), (471, 271551), (579, 220899), (603, 212107), (1099, 116379), (1351, 94671), (1407, 90903), (1413, 90517), (1737, 73633), (3297, 38793), (4053, 31557), (4221, 30301), (9891, 12931), (10519, 12159)]