211673709

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2293}}^1$

素因数の和:2578

約数の個数: 32

約数和(自身を含む): 339144960

約数和(自身を除く): 127471251

約数列:

[1, 3, 9, 13, 27, 39, 117, 263, 351, 789, 2293, 2367, 3419, 6879, 7101, 10257, 20637, 29809, 30771, 61911, 89427, 92313, 268281, 603059, 804843, 1809177, 5427531, 7839767, 16282593, 23519301, 70557903, 211673709]

約数ペア:

[(1, 211673709), (3, 70557903), (9, 23519301), (13, 16282593), (27, 7839767), (39, 5427531), (117, 1809177), (263, 804843), (351, 603059), (789, 268281), (2293, 92313), (2367, 89427), (3419, 61911), (6879, 30771), (7101, 29809), (10257, 20637)]