1221417195

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1\times {\mathrm{1021}}^1$

素因数の和:1663

約数の個数: 32

約数和(自身を含む): 1971756864

約数和(自身を除く): 750339669

約数列:

[1, 3, 5, 15, 173, 461, 519, 865, 1021, 1383, 2305, 2595, 3063, 5105, 6915, 15315, 79753, 176633, 239259, 398765, 470681, 529899, 883165, 1196295, 1412043, 2353405, 2649495, 7060215, 81427813, 244283439, 407139065, 1221417195]

約数ペア:

[(1, 1221417195), (3, 407139065), (5, 244283439), (15, 81427813), (173, 7060215), (461, 2649495), (519, 2353405), (865, 1412043), (1021, 1196295), (1383, 883165), (2305, 529899), (2595, 470681), (3063, 398765), (5105, 239259), (6915, 176633), (15315, 79753)]