1921105095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{3343}}^1$

素因数の和:3792

約数の個数: 64

約数和(自身を含む): 3793219584

約数和(自身を除く): 1872114489

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 421, 455, 1263, 1365, 2105, 2947, 3343, 5473, 6315, 8841, 10029, 14735, 16419, 16715, 23401, 27365, 38311, 43459, 44205, 50145, 70203, 82095, 114933, 117005, 130377, 191555, 217295, 304213, 351015, 574665, 651885, 912639, 1407403, 1521065, 4222209, 4563195, 7037015, 9851821, 18296239, 21111045, 29555463, 49259105, 54888717, 91481195, 128073673, 147777315, 274443585, 384221019, 640368365, 1921105095]

約数ペア:

[(1, 1921105095), (3, 640368365), (5, 384221019), (7, 274443585), (13, 147777315), (15, 128073673), (21, 91481195), (35, 54888717), (39, 49259105), (65, 29555463), (91, 21111045), (105, 18296239), (195, 9851821), (273, 7037015), (421, 4563195), (455, 4222209), (1263, 1521065), (1365, 1407403), (2105, 912639), (2947, 651885), (3343, 574665), (5473, 351015), (6315, 304213), (8841, 217295), (10029, 191555), (14735, 130377), (16419, 117005), (16715, 114933), (23401, 82095), (27365, 70203), (38311, 50145), (43459, 44205)]