15880185

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1489}}^1$

素因数の和:1582

約数の個数: 32

約数和(自身を含む): 28608000

約数和(自身を除く): 12727815

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 1185, 1489, 2133, 3555, 4467, 7445, 10665, 13401, 22335, 40203, 67005, 117631, 201015, 352893, 588155, 1058679, 1764465, 3176037, 5293395, 15880185]

約数ペア:

[(1, 15880185), (3, 5293395), (5, 3176037), (9, 1764465), (15, 1058679), (27, 588155), (45, 352893), (79, 201015), (135, 117631), (237, 67005), (395, 40203), (711, 22335), (1185, 13401), (1489, 10665), (2133, 7445), (3555, 4467)]