217625295

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1609}}^1$

素因数の和:1815

約数の個数: 32

約数和(自身を含む): 356106240

約数和(自身を除く): 138480945

約数列:

[1, 3, 5, 15, 71, 127, 213, 355, 381, 635, 1065, 1609, 1905, 4827, 8045, 9017, 24135, 27051, 45085, 114239, 135255, 204343, 342717, 571195, 613029, 1021715, 1713585, 3065145, 14508353, 43525059, 72541765, 217625295]

約数ペア:

[(1, 217625295), (3, 72541765), (5, 43525059), (15, 14508353), (71, 3065145), (127, 1713585), (213, 1021715), (355, 613029), (381, 571195), (635, 342717), (1065, 204343), (1609, 135255), (1905, 114239), (4827, 45085), (8045, 27051), (9017, 24135)]