1247693811

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{28387}}^1$

素因数の和:28440

約数の個数: 48

約数和(自身を含む): 2174747904

約数和(自身を除く): 927054093

約数列:

[1, 3, 7, 13, 21, 23, 39, 49, 69, 91, 147, 161, 273, 299, 483, 637, 897, 1127, 1911, 2093, 3381, 6279, 14651, 28387, 43953, 85161, 198709, 369031, 596127, 652901, 1107093, 1390963, 1958703, 2583217, 4172889, 4570307, 7749651, 8487713, 13710921, 18082519, 25463139, 31992149, 54247557, 59413991, 95976447, 178241973, 415897937, 1247693811]

約数ペア:

[(1, 1247693811), (3, 415897937), (7, 178241973), (13, 95976447), (21, 59413991), (23, 54247557), (39, 31992149), (49, 25463139), (69, 18082519), (91, 13710921), (147, 8487713), (161, 7749651), (273, 4570307), (299, 4172889), (483, 2583217), (637, 1958703), (897, 1390963), (1127, 1107093), (1911, 652901), (2093, 596127), (3381, 369031), (6279, 198709), (14651, 85161), (28387, 43953)]