2780166939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{16381}}^1$

素因数の和:16571

約数の個数: 32

約数和(自身を含む): 4183307520

約数和(自身を除く): 1403140581

約数列:

[1, 3, 11, 33, 37, 111, 139, 407, 417, 1221, 1529, 4587, 5143, 15429, 16381, 49143, 56573, 169719, 180191, 540573, 606097, 1818291, 2276959, 6667067, 6830877, 20001201, 25046549, 75139647, 84247483, 252742449, 926722313, 2780166939]

約数ペア:

[(1, 2780166939), (3, 926722313), (11, 252742449), (33, 84247483), (37, 75139647), (111, 25046549), (139, 20001201), (407, 6830877), (417, 6667067), (1221, 2276959), (1529, 1818291), (4587, 606097), (5143, 540573), (15429, 180191), (16381, 169719), (49143, 56573)]