81379746

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3061}}^1$

素因数の和:3287

約数の個数: 48

約数和(自身を含む): 202532928

約数和(自身を除く): 121153182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 211, 422, 633, 1266, 1477, 1899, 2954, 3061, 3798, 4431, 6122, 8862, 9183, 13293, 18366, 21427, 26586, 27549, 42854, 55098, 64281, 128562, 192843, 385686, 645871, 1291742, 1937613, 3875226, 4521097, 5812839, 9042194, 11625678, 13563291, 27126582, 40689873, 81379746]

約数ペア:

[(1, 81379746), (2, 40689873), (3, 27126582), (6, 13563291), (7, 11625678), (9, 9042194), (14, 5812839), (18, 4521097), (21, 3875226), (42, 1937613), (63, 1291742), (126, 645871), (211, 385686), (422, 192843), (633, 128562), (1266, 64281), (1477, 55098), (1899, 42854), (2954, 27549), (3061, 26586), (3798, 21427), (4431, 18366), (6122, 13293), (8862, 9183)]