220389279

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 338415840

約数和(自身を除く): 118026561

約数列:

[1, 3, 11, 33, 37, 61, 111, 121, 183, 269, 363, 407, 671, 807, 1221, 2013, 2257, 2959, 4477, 6771, 7381, 8877, 9953, 13431, 16409, 22143, 24827, 29859, 32549, 49227, 74481, 97647, 109483, 180499, 273097, 328449, 541497, 607133, 819291, 1204313, 1821399, 1985489, 3612939, 5956467, 6678463, 20035389, 73463093, 220389279]

約数ペア:

[(1, 220389279), (3, 73463093), (11, 20035389), (33, 6678463), (37, 5956467), (61, 3612939), (111, 1985489), (121, 1821399), (183, 1204313), (269, 819291), (363, 607133), (407, 541497), (671, 328449), (807, 273097), (1221, 180499), (2013, 109483), (2257, 97647), (2959, 74481), (4477, 49227), (6771, 32549), (7381, 29859), (8877, 24827), (9953, 22143), (13431, 16409)]