77121675

素因数分解:

$3^2\times 5^2\times {\mathrm{353}}^1\times {\mathrm{971}}^1$

素因数の和:1340

約数の個数: 36

約数和(自身を含む): 138667464

約数和(自身を除く): 61545789

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 353, 971, 1059, 1765, 2913, 3177, 4855, 5295, 8739, 8825, 14565, 15885, 24275, 26475, 43695, 72825, 79425, 218475, 342763, 1028289, 1713815, 3084867, 5141445, 8569075, 15424335, 25707225, 77121675]

約数ペア:

[(1, 77121675), (3, 25707225), (5, 15424335), (9, 8569075), (15, 5141445), (25, 3084867), (45, 1713815), (75, 1028289), (225, 342763), (353, 218475), (971, 79425), (1059, 72825), (1765, 43695), (2913, 26475), (3177, 24275), (4855, 15885), (5295, 14565), (8739, 8825)]