31571673

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1181}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 51440640

約数和(自身を除く): 19868967

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 1181, 1273, 1407, 3543, 3819, 8267, 8911, 22439, 24801, 26733, 67317, 79127, 157073, 237381, 471219, 553889, 1503413, 1661667, 4510239, 10523891, 31571673]

約数ペア:

[(1, 31571673), (3, 10523891), (7, 4510239), (19, 1661667), (21, 1503413), (57, 553889), (67, 471219), (133, 237381), (201, 157073), (399, 79127), (469, 67317), (1181, 26733), (1273, 24801), (1407, 22439), (3543, 8911), (3819, 8267)]