2912117187

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{1901}}^1$

素因数の和:2548

約数の個数: 48

約数和(自身を含む): 4792766112

約数和(自身を除く): 1880648925

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 613, 833, 1839, 1901, 2499, 4291, 5703, 10421, 12873, 13307, 30037, 31263, 32317, 39921, 72947, 90111, 93149, 96951, 218841, 226219, 279447, 510629, 678657, 1165313, 1531887, 1583533, 3495939, 4750599, 8157191, 19810321, 24471573, 57100337, 59430963, 138672247, 171301011, 416016741, 970705729, 2912117187]

約数ペア:

[(1, 2912117187), (3, 970705729), (7, 416016741), (17, 171301011), (21, 138672247), (49, 59430963), (51, 57100337), (119, 24471573), (147, 19810321), (357, 8157191), (613, 4750599), (833, 3495939), (1839, 1583533), (1901, 1531887), (2499, 1165313), (4291, 678657), (5703, 510629), (10421, 279447), (12873, 226219), (13307, 218841), (30037, 96951), (31263, 93149), (32317, 90111), (39921, 72947)]