27020805

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 50944320

約数和(自身を除く): 23923515

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 97, 105, 147, 245, 291, 379, 485, 679, 735, 1137, 1455, 1895, 2037, 2653, 3395, 4753, 5685, 7959, 10185, 13265, 14259, 18571, 23765, 36763, 39795, 55713, 71295, 92855, 110289, 183815, 257341, 278565, 551445, 772023, 1286705, 1801387, 3860115, 5404161, 9006935, 27020805]

約数ペア:

[(1, 27020805), (3, 9006935), (5, 5404161), (7, 3860115), (15, 1801387), (21, 1286705), (35, 772023), (49, 551445), (97, 278565), (105, 257341), (147, 183815), (245, 110289), (291, 92855), (379, 71295), (485, 55713), (679, 39795), (735, 36763), (1137, 23765), (1455, 18571), (1895, 14259), (2037, 13265), (2653, 10185), (3395, 7959), (4753, 5685)]