16491225

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 28998144

約数和(自身を除く): 12506919

約数列:

[1, 3, 5, 15, 25, 31, 41, 75, 93, 123, 155, 173, 205, 465, 519, 615, 775, 865, 1025, 1271, 2325, 2595, 3075, 3813, 4325, 5363, 6355, 7093, 12975, 16089, 19065, 21279, 26815, 31775, 35465, 80445, 95325, 106395, 134075, 177325, 219883, 402225, 531975, 659649, 1099415, 3298245, 5497075, 16491225]

約数ペア:

[(1, 16491225), (3, 5497075), (5, 3298245), (15, 1099415), (25, 659649), (31, 531975), (41, 402225), (75, 219883), (93, 177325), (123, 134075), (155, 106395), (173, 95325), (205, 80445), (465, 35465), (519, 31775), (615, 26815), (775, 21279), (865, 19065), (1025, 16089), (1271, 12975), (2325, 7093), (2595, 6355), (3075, 5363), (3813, 4325)]