245537985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{212587}}^1$

素因数の和:212613

約数の個数: 32

約数和(自身を含む): 489802752

約数和(自身を除く): 244264767

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 212587, 637761, 1062935, 1488109, 2338457, 3188805, 4464327, 7015371, 7440545, 11692285, 16369199, 22321635, 35076855, 49107597, 81845995, 245537985]

約数ペア:

[(1, 245537985), (3, 81845995), (5, 49107597), (7, 35076855), (11, 22321635), (15, 16369199), (21, 11692285), (33, 7440545), (35, 7015371), (55, 4464327), (77, 3188805), (105, 2338457), (165, 1488109), (231, 1062935), (385, 637761), (1155, 212587)]