197872191

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^3$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 330613920

約数和(自身を除く): 132741729

約数列:

[1, 3, 9, 11, 29, 33, 41, 87, 99, 123, 261, 319, 369, 451, 957, 1189, 1353, 1681, 2871, 3567, 4059, 5043, 10701, 13079, 15129, 18491, 39237, 48749, 55473, 68921, 117711, 146247, 166419, 206763, 438741, 536239, 620289, 758131, 1608717, 1998709, 2274393, 4826151, 5996127, 6823179, 17988381, 21985799, 65957397, 197872191]

約数ペア:

[(1, 197872191), (3, 65957397), (9, 21985799), (11, 17988381), (29, 6823179), (33, 5996127), (41, 4826151), (87, 2274393), (99, 1998709), (123, 1608717), (261, 758131), (319, 620289), (369, 536239), (451, 438741), (957, 206763), (1189, 166419), (1353, 146247), (1681, 117711), (2871, 68921), (3567, 55473), (4059, 48749), (5043, 39237), (10701, 18491), (13079, 15129)]