11989665

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 22526400

約数和(自身を除く): 10536735

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 95, 111, 171, 185, 285, 333, 379, 555, 703, 855, 1137, 1665, 1895, 2109, 3411, 3515, 5685, 6327, 7201, 10545, 14023, 17055, 21603, 31635, 36005, 42069, 64809, 70115, 108015, 126207, 210345, 266437, 324045, 631035, 799311, 1332185, 2397933, 3996555, 11989665]

約数ペア:

[(1, 11989665), (3, 3996555), (5, 2397933), (9, 1332185), (15, 799311), (19, 631035), (37, 324045), (45, 266437), (57, 210345), (95, 126207), (111, 108015), (171, 70115), (185, 64809), (285, 42069), (333, 36005), (379, 31635), (555, 21603), (703, 17055), (855, 14023), (1137, 10545), (1665, 7201), (1895, 6327), (2109, 5685), (3411, 3515)]