12820854789

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{23719}}^1$

素因数の和:23882

約数の個数: 48

約数和(自身を含む): 20351760000

約数和(自身を除く): 7530905211

約数列:

[1, 3, 9, 19, 29, 57, 87, 109, 171, 261, 327, 551, 981, 1653, 2071, 3161, 4959, 6213, 9483, 18639, 23719, 28449, 60059, 71157, 180177, 213471, 450661, 540531, 687851, 1351983, 2063553, 2585371, 4055949, 6190659, 7756113, 13069169, 23268339, 39207507, 49122049, 74975759, 117622521, 147366147, 224927277, 442098441, 674781831, 1424539421, 4273618263, 12820854789]

約数ペア:

[(1, 12820854789), (3, 4273618263), (9, 1424539421), (19, 674781831), (29, 442098441), (57, 224927277), (87, 147366147), (109, 117622521), (171, 74975759), (261, 49122049), (327, 39207507), (551, 23268339), (981, 13069169), (1653, 7756113), (2071, 6190659), (3161, 4055949), (4959, 2585371), (6213, 2063553), (9483, 1351983), (18639, 687851), (23719, 540531), (28449, 450661), (60059, 213471), (71157, 180177)]