1278940970781

素因数分解:

$3^6\times {\mathrm{157}}^1\times {\mathrm{613}}^1\times {\mathrm{18229}}^1$

素因数の和:19017

約数の個数: 56

約数和(自身を含む): 1933001934680

約数和(自身を除く): 654060963899

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 613, 729, 1413, 1839, 4239, 5517, 12717, 16551, 18229, 38151, 49653, 54687, 96241, 114453, 148959, 164061, 288723, 446877, 492183, 866169, 1476549, 2598507, 2861953, 4429647, 7795521, 8585859, 11174377, 13288941, 23386563, 25757577, 33523131, 70159689, 77272731, 100569393, 231818193, 301708179, 695454579, 905124537, 1754377189, 2086363737, 2715373611, 5263131567, 8146120833, 15789394701, 47368184103, 142104552309, 426313656927, 1278940970781]

約数ペア:

[(1, 1278940970781), (3, 426313656927), (9, 142104552309), (27, 47368184103), (81, 15789394701), (157, 8146120833), (243, 5263131567), (471, 2715373611), (613, 2086363737), (729, 1754377189), (1413, 905124537), (1839, 695454579), (4239, 301708179), (5517, 231818193), (12717, 100569393), (16551, 77272731), (18229, 70159689), (38151, 33523131), (49653, 25757577), (54687, 23386563), (96241, 13288941), (114453, 11174377), (148959, 8585859), (164061, 7795521), (288723, 4429647), (446877, 2861953), (492183, 2598507), (866169, 1476549)]