18849291225

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1117}}^1\times {\mathrm{3169}}^1$

素因数の和:4370

約数の個数: 48

約数和(自身を含む): 31641367680

約数和(自身を除く): 12792076455

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1117, 1775, 3169, 3351, 5325, 5585, 9507, 15845, 16755, 27925, 47535, 79225, 79307, 83775, 224999, 237675, 237921, 396535, 674997, 1124995, 1189605, 1982675, 3374985, 3539773, 5624975, 5948025, 10619319, 16874925, 17698865, 53096595, 88494325, 251323883, 265482975, 753971649, 1256619415, 3769858245, 6283097075, 18849291225]

約数ペア:

[(1, 18849291225), (3, 6283097075), (5, 3769858245), (15, 1256619415), (25, 753971649), (71, 265482975), (75, 251323883), (213, 88494325), (355, 53096595), (1065, 17698865), (1117, 16874925), (1775, 10619319), (3169, 5948025), (3351, 5624975), (5325, 3539773), (5585, 3374985), (9507, 1982675), (15845, 1189605), (16755, 1124995), (27925, 674997), (47535, 396535), (79225, 237921), (79307, 237675), (83775, 224999)]