268461195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{4003}}^1$

素因数の和:4291

約数の個数: 32

約数和(自身を含む): 456648192

約数和(自身を除く): 188186997

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 263, 789, 1315, 3945, 4003, 4471, 12009, 13413, 20015, 22355, 60045, 67065, 68051, 204153, 340255, 1020765, 1052789, 3158367, 5263945, 15791835, 17897413, 53692239, 89487065, 268461195]

約数ペア:

[(1, 268461195), (3, 89487065), (5, 53692239), (15, 17897413), (17, 15791835), (51, 5263945), (85, 3158367), (255, 1052789), (263, 1020765), (789, 340255), (1315, 204153), (3945, 68051), (4003, 67065), (4471, 60045), (12009, 22355), (13413, 20015)]