7438557

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 12113920

約数和(自身を除く): 4675363

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 181, 309, 399, 543, 721, 1267, 1957, 2163, 3439, 3801, 5871, 10317, 13699, 18643, 24073, 41097, 55929, 72219, 130501, 354217, 391503, 1062651, 2479519, 7438557]

約数ペア:

[(1, 7438557), (3, 2479519), (7, 1062651), (19, 391503), (21, 354217), (57, 130501), (103, 72219), (133, 55929), (181, 41097), (309, 24073), (399, 18643), (543, 13699), (721, 10317), (1267, 5871), (1957, 3801), (2163, 3439)]