72173457

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{140689}}^1$

素因数の和:140717

約数の個数: 16

約数和(自身を含む): 112552000

約数和(自身を除く): 40378543

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 140689, 422067, 1266201, 2673091, 3798603, 8019273, 24057819, 72173457]

約数ペア:

[(1, 72173457), (3, 24057819), (9, 8019273), (19, 3798603), (27, 2673091), (57, 1266201), (171, 422067), (513, 140689)]