27720571011

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{887}}^1\times {\mathrm{7331}}^1$

素因数の和:8264

約数の個数: 48

約数和(自身を含む): 44533981440

約数和(自身を除く): 16813410429

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 887, 1421, 2661, 4263, 6209, 7331, 18627, 21993, 25723, 43463, 51317, 77169, 130389, 153951, 180061, 212599, 359219, 540183, 637797, 1077657, 1260427, 1488193, 3781281, 4464579, 6502597, 10417351, 19507791, 31252053, 45518179, 136554537, 188575313, 318627253, 565725939, 955881759, 1320027191, 3960081573, 9240190337, 27720571011]

約数ペア:

[(1, 27720571011), (3, 9240190337), (7, 3960081573), (21, 1320027191), (29, 955881759), (49, 565725939), (87, 318627253), (147, 188575313), (203, 136554537), (609, 45518179), (887, 31252053), (1421, 19507791), (2661, 10417351), (4263, 6502597), (6209, 4464579), (7331, 3781281), (18627, 1488193), (21993, 1260427), (25723, 1077657), (43463, 637797), (51317, 540183), (77169, 359219), (130389, 212599), (153951, 180061)]