71740263

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{3511}}^1$

素因数の和:3667

約数の個数: 24

約数和(自身を含む): 112103040

約数和(自身を除く): 40362777

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 2919, 3511, 6811, 10533, 20433, 24577, 73731, 172039, 488029, 516117, 1464087, 3416203, 10248609, 23913421, 71740263]

約数ペア:

[(1, 71740263), (3, 23913421), (7, 10248609), (21, 3416203), (49, 1464087), (139, 516117), (147, 488029), (417, 172039), (973, 73731), (2919, 24577), (3511, 20433), (6811, 10533)]