27975885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 55449600

約数和(自身を除く): 27473715

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 37, 57, 95, 105, 111, 133, 185, 259, 285, 379, 399, 555, 665, 703, 777, 1137, 1295, 1895, 1995, 2109, 2653, 3515, 3885, 4921, 5685, 7201, 7959, 10545, 13265, 14023, 14763, 21603, 24605, 36005, 39795, 42069, 50407, 70115, 73815, 98161, 108015, 151221, 210345, 252035, 266437, 294483, 490805, 756105, 799311, 1332185, 1472415, 1865059, 3996555, 5595177, 9325295, 27975885]

約数ペア:

[(1, 27975885), (3, 9325295), (5, 5595177), (7, 3996555), (15, 1865059), (19, 1472415), (21, 1332185), (35, 799311), (37, 756105), (57, 490805), (95, 294483), (105, 266437), (111, 252035), (133, 210345), (185, 151221), (259, 108015), (285, 98161), (379, 73815), (399, 70115), (555, 50407), (665, 42069), (703, 39795), (777, 36005), (1137, 24605), (1295, 21603), (1895, 14763), (1995, 14023), (2109, 13265), (2653, 10545), (3515, 7959), (3885, 7201), (4921, 5685)]