1855361997

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1571}}^1$

素因数の和:1711

約数の個数: 64

約数和(自身を含む): 3042385920

約数和(自身を除く): 1187023923

約数列:

[1, 3, 9, 17, 27, 31, 51, 83, 93, 153, 249, 279, 459, 527, 747, 837, 1411, 1571, 1581, 2241, 2573, 4233, 4713, 4743, 7719, 12699, 14139, 14229, 23157, 26707, 38097, 42417, 43741, 48701, 69471, 80121, 130393, 131223, 146103, 240363, 391179, 393669, 438309, 721089, 827917, 1173537, 1181007, 1314927, 2216681, 2483751, 3520611, 4042183, 6650043, 7451253, 12126549, 19950129, 22353759, 36379647, 59850387, 68717111, 109138941, 206151333, 618453999, 1855361997]

約数ペア:

[(1, 1855361997), (3, 618453999), (9, 206151333), (17, 109138941), (27, 68717111), (31, 59850387), (51, 36379647), (83, 22353759), (93, 19950129), (153, 12126549), (249, 7451253), (279, 6650043), (459, 4042183), (527, 3520611), (747, 2483751), (837, 2216681), (1411, 1314927), (1571, 1181007), (1581, 1173537), (2241, 827917), (2573, 721089), (4233, 438309), (4713, 393669), (4743, 391179), (7719, 240363), (12699, 146103), (14139, 131223), (14229, 130393), (23157, 80121), (26707, 69471), (38097, 48701), (42417, 43741)]