31371258093

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{13681}}^1$

素因数の和:14538

約数の個数: 48

約数和(自身を含む): 51284514240

約数和(自身を除く): 19913256147

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 821, 931, 2463, 2793, 5747, 13681, 15599, 17241, 40229, 41043, 46797, 95767, 109193, 120687, 259939, 287301, 327579, 670369, 764351, 779817, 1819573, 2011107, 2293053, 5458719, 11232101, 12737011, 33696303, 38211033, 78624707, 213409919, 235874121, 550372949, 640229757, 1493869433, 1651118847, 4481608299, 10457086031, 31371258093]

約数ペア:

[(1, 31371258093), (3, 10457086031), (7, 4481608299), (19, 1651118847), (21, 1493869433), (49, 640229757), (57, 550372949), (133, 235874121), (147, 213409919), (399, 78624707), (821, 38211033), (931, 33696303), (2463, 12737011), (2793, 11232101), (5747, 5458719), (13681, 2293053), (15599, 2011107), (17241, 1819573), (40229, 779817), (41043, 764351), (46797, 670369), (95767, 327579), (109193, 287301), (120687, 259939)]