156639819

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3299}}^1$

素因数の和:3352

約数の個数: 48

約数和(自身を含む): 270864000

約数和(自身を除く): 114224181

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 119, 133, 147, 323, 357, 399, 833, 931, 969, 2261, 2499, 2793, 3299, 6783, 9897, 15827, 23093, 47481, 56083, 62681, 69279, 161651, 168249, 188043, 392581, 438767, 484953, 1065577, 1177743, 1316301, 2748067, 3071369, 3196731, 7459039, 8244201, 9214107, 22377117, 52213273, 156639819]

約数ペア:

[(1, 156639819), (3, 52213273), (7, 22377117), (17, 9214107), (19, 8244201), (21, 7459039), (49, 3196731), (51, 3071369), (57, 2748067), (119, 1316301), (133, 1177743), (147, 1065577), (323, 484953), (357, 438767), (399, 392581), (833, 188043), (931, 168249), (969, 161651), (2261, 69279), (2499, 62681), (2793, 56083), (3299, 47481), (6783, 23093), (9897, 15827)]