12855381

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 23500800

約数和(自身を除く): 10645419

約数列:

[1, 3, 7, 11, 19, 21, 29, 33, 57, 77, 87, 101, 133, 203, 209, 231, 303, 319, 399, 551, 609, 627, 707, 957, 1111, 1463, 1653, 1919, 2121, 2233, 2929, 3333, 3857, 4389, 5757, 6061, 6699, 7777, 8787, 11571, 13433, 18183, 20503, 21109, 23331, 32219, 40299, 42427, 55651, 61509, 63327, 96657, 127281, 147763, 166953, 225533, 389557, 443289, 612161, 676599, 1168671, 1836483, 4285127, 12855381]

約数ペア:

[(1, 12855381), (3, 4285127), (7, 1836483), (11, 1168671), (19, 676599), (21, 612161), (29, 443289), (33, 389557), (57, 225533), (77, 166953), (87, 147763), (101, 127281), (133, 96657), (203, 63327), (209, 61509), (231, 55651), (303, 42427), (319, 40299), (399, 32219), (551, 23331), (609, 21109), (627, 20503), (707, 18183), (957, 13433), (1111, 11571), (1463, 8787), (1653, 7777), (1919, 6699), (2121, 6061), (2233, 5757), (2929, 4389), (3333, 3857)]