89721261

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 153014784

約数和(自身を除く): 63293523

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 157, 193, 329, 423, 471, 579, 987, 1099, 1351, 1413, 1737, 2961, 3297, 4053, 7379, 9071, 9891, 12159, 22137, 27213, 30301, 51653, 63497, 66411, 81639, 90903, 154959, 190491, 212107, 272709, 464877, 571473, 636321, 1424147, 1908963, 4272441, 9969029, 12817323, 29907087, 89721261]

約数ペア:

[(1, 89721261), (3, 29907087), (7, 12817323), (9, 9969029), (21, 4272441), (47, 1908963), (63, 1424147), (141, 636321), (157, 571473), (193, 464877), (329, 272709), (423, 212107), (471, 190491), (579, 154959), (987, 90903), (1099, 81639), (1351, 66411), (1413, 63497), (1737, 51653), (2961, 30301), (3297, 27213), (4053, 22137), (7379, 12159), (9071, 9891)]