256947156765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{15145721}}^1$

素因数の和:15145774

約数の個数: 48

約数和(自身を含む): 496173852720

約数和(自身を除く): 239226695955

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 117, 145, 195, 261, 377, 435, 585, 1131, 1305, 1885, 3393, 5655, 16965, 15145721, 45437163, 75728605, 136311489, 196894373, 227185815, 439225909, 590683119, 681557445, 984471865, 1317677727, 1772049357, 2196129545, 2953415595, 3953033181, 5709936817, 6588388635, 8860246785, 17129810451, 19765165905, 28549684085, 51389431353, 85649052255, 256947156765]

約数ペア:

[(1, 256947156765), (3, 85649052255), (5, 51389431353), (9, 28549684085), (13, 19765165905), (15, 17129810451), (29, 8860246785), (39, 6588388635), (45, 5709936817), (65, 3953033181), (87, 2953415595), (117, 2196129545), (145, 1772049357), (195, 1317677727), (261, 984471865), (377, 681557445), (435, 590683119), (585, 439225909), (1131, 227185815), (1305, 196894373), (1885, 136311489), (3393, 75728605), (5655, 45437163), (16965, 15145721)]