15964425

素因数分解:

$3^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 29849280

約数和(自身を除く): 13884855

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 67, 75, 135, 201, 225, 335, 353, 603, 675, 1005, 1059, 1675, 1765, 1809, 3015, 3177, 5025, 5295, 8825, 9045, 9531, 15075, 15885, 23651, 26475, 45225, 47655, 70953, 79425, 118255, 212859, 238275, 354765, 591275, 638577, 1064295, 1773825, 3192885, 5321475, 15964425]

約数ペア:

[(1, 15964425), (3, 5321475), (5, 3192885), (9, 1773825), (15, 1064295), (25, 638577), (27, 591275), (45, 354765), (67, 238275), (75, 212859), (135, 118255), (201, 79425), (225, 70953), (335, 47655), (353, 45225), (603, 26475), (675, 23651), (1005, 15885), (1059, 15075), (1675, 9531), (1765, 9045), (1809, 8825), (3015, 5295), (3177, 5025)]