220605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 442368

約数和(自身を除く): 221763

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 191, 231, 385, 573, 955, 1155, 1337, 2101, 2865, 4011, 6303, 6685, 10505, 14707, 20055, 31515, 44121, 73535, 220605]

約数ペア:

[(1, 220605), (3, 73535), (5, 44121), (7, 31515), (11, 20055), (15, 14707), (21, 10505), (33, 6685), (35, 6303), (55, 4011), (77, 2865), (105, 2101), (165, 1337), (191, 1155), (231, 955), (385, 573)]