90219885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1178

約数の個数: 64

約数和(自身を含む): 178053120

約数和(自身を除く): 87833235

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 41, 57, 95, 105, 123, 133, 205, 285, 287, 399, 615, 665, 779, 861, 1103, 1435, 1995, 2337, 3309, 3895, 4305, 5453, 5515, 7721, 11685, 16359, 16545, 20957, 23163, 27265, 38605, 45223, 62871, 81795, 104785, 115815, 135669, 146699, 226115, 314355, 316561, 440097, 678345, 733495, 859237, 949683, 1582805, 2200485, 2577711, 4296185, 4748415, 6014659, 12888555, 18043977, 30073295, 90219885]

約数ペア:

[(1, 90219885), (3, 30073295), (5, 18043977), (7, 12888555), (15, 6014659), (19, 4748415), (21, 4296185), (35, 2577711), (41, 2200485), (57, 1582805), (95, 949683), (105, 859237), (123, 733495), (133, 678345), (205, 440097), (285, 316561), (287, 314355), (399, 226115), (615, 146699), (665, 135669), (779, 115815), (861, 104785), (1103, 81795), (1435, 62871), (1995, 45223), (2337, 38605), (3309, 27265), (3895, 23163), (4305, 20957), (5453, 16545), (5515, 16359), (7721, 11685)]