1207098045

素因数分解:

$3^4\times 5^1\times {\mathrm{2980489}}^1$

素因数の和:2980506

約数の個数: 20

約数和(自身を含む): 2163835740

約数和(自身を除く): 956737695

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2980489, 8941467, 14902445, 26824401, 44707335, 80473203, 134122005, 241419609, 402366015, 1207098045]

約数ペア:

[(1, 1207098045), (3, 402366015), (5, 241419609), (9, 134122005), (15, 80473203), (27, 44707335), (45, 26824401), (81, 14902445), (135, 8941467), (405, 2980489)]