68197455

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 126023040

約数和(自身を除く): 57825585

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 239, 255, 373, 717, 765, 1119, 1195, 1865, 2151, 3357, 3585, 4063, 5595, 6341, 10755, 12189, 16785, 19023, 20315, 31705, 36567, 57069, 60945, 89147, 95115, 182835, 267441, 285345, 445735, 802323, 1337205, 1515499, 4011615, 4546497, 7577495, 13639491, 22732485, 68197455]

約数ペア:

[(1, 68197455), (3, 22732485), (5, 13639491), (9, 7577495), (15, 4546497), (17, 4011615), (45, 1515499), (51, 1337205), (85, 802323), (153, 445735), (239, 285345), (255, 267441), (373, 182835), (717, 95115), (765, 89147), (1119, 60945), (1195, 57069), (1865, 36567), (2151, 31705), (3357, 20315), (3585, 19023), (4063, 16785), (5595, 12189), (6341, 10755)]