207151785

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{877}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 373922640

約数和(自身を除く): 166770855

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 181, 261, 435, 543, 877, 905, 1305, 1629, 2631, 2715, 4385, 5249, 7893, 8145, 13155, 15747, 25433, 26245, 39465, 47241, 76299, 78735, 127165, 158737, 228897, 236205, 381495, 476211, 793685, 1144485, 1428633, 2381055, 4603373, 7143165, 13810119, 23016865, 41430357, 69050595, 207151785]

約数ペア:

[(1, 207151785), (3, 69050595), (5, 41430357), (9, 23016865), (15, 13810119), (29, 7143165), (45, 4603373), (87, 2381055), (145, 1428633), (181, 1144485), (261, 793685), (435, 476211), (543, 381495), (877, 236205), (905, 228897), (1305, 158737), (1629, 127165), (2631, 78735), (2715, 76299), (4385, 47241), (5249, 39465), (7893, 26245), (8145, 25433), (13155, 15747)]