81804681

素因数分解:

$3^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1811}}^1$

素因数の和:2066

約数の個数: 32

約数和(自身を含む): 139161600

約数和(自身を除く): 57356919

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 239, 717, 1673, 1811, 2151, 5019, 5433, 6453, 12677, 15057, 16299, 38031, 45171, 48897, 114093, 342279, 432829, 1298487, 3029803, 3895461, 9089409, 11686383, 27268227, 81804681]

約数ペア:

[(1, 81804681), (3, 27268227), (7, 11686383), (9, 9089409), (21, 3895461), (27, 3029803), (63, 1298487), (189, 432829), (239, 342279), (717, 114093), (1673, 48897), (1811, 45171), (2151, 38031), (5019, 16299), (5433, 15057), (6453, 12677)]