251204643

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{2777}}^1$

素因数の和:2848

約数の個数: 36

約数和(自身を含む): 399420840

約数和(自身を除く): 148216197

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 529, 1311, 1587, 2777, 3933, 4761, 8331, 10051, 24993, 30153, 52763, 63871, 90459, 158289, 191613, 474867, 574839, 1213549, 1469033, 3640647, 4407099, 10921941, 13221297, 27911627, 83734881, 251204643]

約数ペア:

[(1, 251204643), (3, 83734881), (9, 27911627), (19, 13221297), (23, 10921941), (57, 4407099), (69, 3640647), (171, 1469033), (207, 1213549), (437, 574839), (529, 474867), (1311, 191613), (1587, 158289), (2777, 90459), (3933, 63871), (4761, 52763), (8331, 30153), (10051, 24993)]