245364009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1663}}^1$

素因数の和:1957

約数の個数: 32

約数和(自身を含む): 379551744

約数和(自身を除く): 134187735

約数列:

[1, 3, 11, 17, 33, 51, 187, 263, 561, 789, 1663, 2893, 4471, 4989, 8679, 13413, 18293, 28271, 49181, 54879, 84813, 147543, 310981, 437369, 932943, 1312107, 4811059, 7435273, 14433177, 22305819, 81788003, 245364009]

約数ペア:

[(1, 245364009), (3, 81788003), (11, 22305819), (17, 14433177), (33, 7435273), (51, 4811059), (187, 1312107), (263, 932943), (561, 437369), (789, 310981), (1663, 147543), (2893, 84813), (4471, 54879), (4989, 49181), (8679, 28271), (13413, 18293)]