221519661

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{1913}}^1$

素因数の和:1978

約数の個数: 32

約数和(自身を含む): 336251520

約数和(自身を除く): 114731859

約数列:

[1, 3, 11, 29, 33, 87, 121, 319, 363, 957, 1331, 1913, 3509, 3993, 5739, 10527, 21043, 38599, 55477, 63129, 115797, 166431, 231473, 610247, 694419, 1830741, 2546203, 6712717, 7638609, 20138151, 73839887, 221519661]

約数ペア:

[(1, 221519661), (3, 73839887), (11, 20138151), (29, 7638609), (33, 6712717), (87, 2546203), (121, 1830741), (319, 694419), (363, 610247), (957, 231473), (1331, 166431), (1913, 115797), (3509, 63129), (3993, 55477), (5739, 38599), (10527, 21043)]