220144545

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1307}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 404015040

約数和(自身を除く): 183870495

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 197, 285, 591, 855, 985, 1307, 1773, 2955, 3743, 3921, 6535, 8865, 11229, 11763, 18715, 19605, 24833, 33687, 56145, 58815, 74499, 124165, 168435, 223497, 257479, 372495, 772437, 1117485, 1287395, 2317311, 3862185, 4892101, 11586555, 14676303, 24460505, 44028909, 73381515, 220144545]

約数ペア:

[(1, 220144545), (3, 73381515), (5, 44028909), (9, 24460505), (15, 14676303), (19, 11586555), (45, 4892101), (57, 3862185), (95, 2317311), (171, 1287395), (197, 1117485), (285, 772437), (591, 372495), (855, 257479), (985, 223497), (1307, 168435), (1773, 124165), (2955, 74499), (3743, 58815), (3921, 56145), (6535, 33687), (8865, 24833), (11229, 19605), (11763, 18715)]