916580517

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1\times {\mathrm{727}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 1320883200

約数和(自身を除く): 404302683

約数列:

[1, 3, 17, 51, 59, 177, 419, 727, 1003, 1257, 2181, 3009, 7123, 12359, 21369, 24721, 37077, 42893, 74163, 128679, 304613, 420257, 729181, 913839, 1260771, 2187543, 5178421, 15535263, 17972167, 53916501, 305526839, 916580517]

約数ペア:

[(1, 916580517), (3, 305526839), (17, 53916501), (51, 17972167), (59, 15535263), (177, 5178421), (419, 2187543), (727, 1260771), (1003, 913839), (1257, 729181), (2181, 420257), (3009, 304613), (7123, 128679), (12359, 74163), (21369, 42893), (24721, 37077)]