81297918

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{38603}}^1$

素因数の和:38630

約数の個数: 40

約数和(自身を含む): 196185528

約数和(自身を除く): 114887610

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 702, 1053, 2106, 38603, 77206, 115809, 231618, 347427, 501839, 694854, 1003678, 1042281, 1505517, 2084562, 3011034, 3126843, 4516551, 6253686, 9033102, 13549653, 27099306, 40648959, 81297918]

約数ペア:

[(1, 81297918), (2, 40648959), (3, 27099306), (6, 13549653), (9, 9033102), (13, 6253686), (18, 4516551), (26, 3126843), (27, 3011034), (39, 2084562), (54, 1505517), (78, 1042281), (81, 1003678), (117, 694854), (162, 501839), (234, 347427), (351, 231618), (702, 115809), (1053, 77206), (2106, 38603)]