131381172

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{280729}}^1$

素因数の和:280752

約数の個数: 36

約数和(自身を含む): 357650020

約数和(自身を除く): 226268848

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 280729, 561458, 842187, 1122916, 1684374, 2526561, 3368748, 3649477, 5053122, 7298954, 10106244, 10948431, 14597908, 21896862, 32845293, 43793724, 65690586, 131381172]

約数ペア:

[(1, 131381172), (2, 65690586), (3, 43793724), (4, 32845293), (6, 21896862), (9, 14597908), (12, 10948431), (13, 10106244), (18, 7298954), (26, 5053122), (36, 3649477), (39, 3368748), (52, 2526561), (78, 1684374), (117, 1122916), (156, 842187), (234, 561458), (468, 280729)]