1291373205

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 2169649152

約数和(自身を除く): 878275947

約数列:

[1, 3, 5, 15, 43, 71, 129, 163, 173, 213, 215, 355, 489, 519, 645, 815, 865, 1065, 2445, 2595, 3053, 7009, 7439, 9159, 11573, 12283, 15265, 21027, 22317, 28199, 34719, 35045, 36849, 37195, 45795, 57865, 61415, 84597, 105135, 111585, 140995, 173595, 184245, 422985, 497639, 528169, 1212557, 1492917, 1584507, 2002129, 2488195, 2640845, 3637671, 6006387, 6062785, 7464585, 7922535, 10010645, 18188355, 30031935, 86091547, 258274641, 430457735, 1291373205]

約数ペア:

[(1, 1291373205), (3, 430457735), (5, 258274641), (15, 86091547), (43, 30031935), (71, 18188355), (129, 10010645), (163, 7922535), (173, 7464585), (213, 6062785), (215, 6006387), (355, 3637671), (489, 2640845), (519, 2488195), (645, 2002129), (815, 1584507), (865, 1492917), (1065, 1212557), (2445, 528169), (2595, 497639), (3053, 422985), (7009, 184245), (7439, 173595), (9159, 140995), (11573, 111585), (12283, 105135), (15265, 84597), (21027, 61415), (22317, 57865), (28199, 45795), (34719, 37195), (35045, 36849)]