47717721

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 74956800

約数和(自身を除く): 27239079

約数列:

[1, 3, 9, 19, 27, 57, 171, 191, 487, 513, 573, 1461, 1719, 3629, 4383, 5157, 9253, 10887, 13149, 27759, 32661, 83277, 93017, 97983, 249831, 279051, 837153, 1767323, 2511459, 5301969, 15905907, 47717721]

約数ペア:

[(1, 47717721), (3, 15905907), (9, 5301969), (19, 2511459), (27, 1767323), (57, 837153), (171, 279051), (191, 249831), (487, 97983), (513, 93017), (573, 83277), (1461, 32661), (1719, 27759), (3629, 13149), (4383, 10887), (5157, 9253)]