81213258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101771}}^1$

素因数の和:101802

約数の個数: 32

約数和(自身を含む): 195402240

約数和(自身を除く): 114188982

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 101771, 203542, 305313, 610626, 712397, 1424794, 1933649, 2137191, 3867298, 4274382, 5800947, 11601894, 13535543, 27071086, 40606629, 81213258]

約数ペア:

[(1, 81213258), (2, 40606629), (3, 27071086), (6, 13535543), (7, 11601894), (14, 5800947), (19, 4274382), (21, 3867298), (38, 2137191), (42, 1933649), (57, 1424794), (114, 712397), (133, 610626), (266, 305313), (399, 203542), (798, 101771)]