205378485

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{22409}}^1$

素因数の和:22477

約数の個数: 32

約数和(自身を含む): 361428480

約数和(自身を除く): 156049995

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 3055, 9165, 22409, 67227, 112045, 291317, 336135, 873951, 1053223, 1456585, 3159669, 4369755, 5266115, 13691899, 15798345, 41075697, 68459495, 205378485]

約数ペア:

[(1, 205378485), (3, 68459495), (5, 41075697), (13, 15798345), (15, 13691899), (39, 5266115), (47, 4369755), (65, 3159669), (141, 1456585), (195, 1053223), (235, 873951), (611, 336135), (705, 291317), (1833, 112045), (3055, 67227), (9165, 22409)]