11987595

素因数分解:

$3^4\times 5^1\times {\mathrm{29599}}^1$

素因数の和:29616

約数の個数: 20

約数和(自身を含む): 21489600

約数和(自身を除く): 9502005

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 29599, 88797, 147995, 266391, 443985, 799173, 1331955, 2397519, 3995865, 11987595]

約数ペア:

[(1, 11987595), (3, 3995865), (5, 2397519), (9, 1331955), (15, 799173), (27, 443985), (45, 266391), (81, 147995), (135, 88797), (405, 29599)]