2021966685

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{8243}}^1$

素因数の和:8359

約数の個数: 64

約数和(自身を含む): 3798835200

約数和(自身を除く): 1776868515

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 79, 115, 135, 207, 237, 345, 395, 621, 711, 1035, 1185, 1817, 2133, 3105, 3555, 5451, 8243, 9085, 10665, 16353, 24729, 27255, 41215, 49059, 74187, 81765, 123645, 189589, 222561, 245295, 370935, 568767, 651197, 947945, 1112805, 1706301, 1953591, 2843835, 3255985, 5118903, 5860773, 8531505, 9767955, 14977531, 17582319, 25594515, 29303865, 44932593, 74887655, 87911595, 134797779, 224662965, 404393337, 673988895, 2021966685]

約数ペア:

[(1, 2021966685), (3, 673988895), (5, 404393337), (9, 224662965), (15, 134797779), (23, 87911595), (27, 74887655), (45, 44932593), (69, 29303865), (79, 25594515), (115, 17582319), (135, 14977531), (207, 9767955), (237, 8531505), (345, 5860773), (395, 5118903), (621, 3255985), (711, 2843835), (1035, 1953591), (1185, 1706301), (1817, 1112805), (2133, 947945), (3105, 651197), (3555, 568767), (5451, 370935), (8243, 245295), (9085, 222561), (10665, 189589), (16353, 123645), (24729, 81765), (27255, 74187), (41215, 49059)]