130720191

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^3\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 216609120

約数和(自身を除く): 85888929

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 181, 289, 357, 543, 833, 867, 1267, 2023, 2499, 3077, 3801, 4913, 6069, 8869, 9231, 14161, 14739, 21539, 26607, 34391, 42483, 52309, 64617, 103173, 150773, 156927, 240737, 366163, 452319, 722211, 889253, 1098489, 2563141, 2667759, 6224771, 7689423, 18674313, 43573397, 130720191]

約数ペア:

[(1, 130720191), (3, 43573397), (7, 18674313), (17, 7689423), (21, 6224771), (49, 2667759), (51, 2563141), (119, 1098489), (147, 889253), (181, 722211), (289, 452319), (357, 366163), (543, 240737), (833, 156927), (867, 150773), (1267, 103173), (2023, 64617), (2499, 52309), (3077, 42483), (3801, 34391), (4913, 26607), (6069, 21539), (8869, 14739), (9231, 14161)]