380020905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{1733}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 720622656

約数和(自身を除く): 340601751

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 443, 495, 1329, 1733, 2215, 3987, 4873, 5199, 6645, 8665, 14619, 15597, 19063, 19935, 24365, 25995, 43857, 57189, 73095, 77985, 95315, 171567, 219285, 285945, 767719, 857835, 2303157, 3838595, 6909471, 8444909, 11515785, 25334727, 34547355, 42224545, 76004181, 126673635, 380020905]

約数ペア:

[(1, 380020905), (3, 126673635), (5, 76004181), (9, 42224545), (11, 34547355), (15, 25334727), (33, 11515785), (45, 8444909), (55, 6909471), (99, 3838595), (165, 2303157), (443, 857835), (495, 767719), (1329, 285945), (1733, 219285), (2215, 171567), (3987, 95315), (4873, 77985), (5199, 73095), (6645, 57189), (8665, 43857), (14619, 25995), (15597, 24365), (19063, 19935)]