1388395071

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 2317922880

約数和(自身を除く): 929527809

約数列:

[1, 3, 7, 9, 21, 63, 181, 313, 389, 543, 939, 1167, 1267, 1629, 2191, 2723, 2817, 3501, 3801, 6573, 8169, 11403, 19719, 24507, 56653, 70409, 121757, 169959, 211227, 365271, 396571, 492863, 509877, 633681, 852299, 1095813, 1189713, 1478589, 2556897, 3569139, 4435767, 7670691, 22038017, 66114051, 154266119, 198342153, 462798357, 1388395071]

約数ペア:

[(1, 1388395071), (3, 462798357), (7, 198342153), (9, 154266119), (21, 66114051), (63, 22038017), (181, 7670691), (313, 4435767), (389, 3569139), (543, 2556897), (939, 1478589), (1167, 1189713), (1267, 1095813), (1629, 852299), (2191, 633681), (2723, 509877), (2817, 492863), (3501, 396571), (3801, 365271), (6573, 211227), (8169, 169959), (11403, 121757), (19719, 70409), (24507, 56653)]