25418979

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{281}}^1$

素因数の和:352

約数の個数: 36

約数和(自身を含む): 40545960

約数和(自身を除く): 15126981

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 281, 437, 529, 843, 1311, 1587, 2529, 3933, 4761, 5339, 6463, 10051, 16017, 19389, 30153, 48051, 58167, 90459, 122797, 148649, 368391, 445947, 1105173, 1337841, 2824331, 8472993, 25418979]

約数ペア:

[(1, 25418979), (3, 8472993), (9, 2824331), (19, 1337841), (23, 1105173), (57, 445947), (69, 368391), (171, 148649), (207, 122797), (281, 90459), (437, 58167), (529, 48051), (843, 30153), (1311, 19389), (1587, 16017), (2529, 10051), (3933, 6463), (4761, 5339)]