12189885

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 20632320

約数和(自身を除く): 8442435

約数列:

[1, 3, 5, 15, 23, 69, 89, 115, 267, 345, 397, 445, 1191, 1335, 1985, 2047, 5955, 6141, 9131, 10235, 27393, 30705, 35333, 45655, 105999, 136965, 176665, 529995, 812659, 2437977, 4063295, 12189885]

約数ペア:

[(1, 12189885), (3, 4063295), (5, 2437977), (15, 812659), (23, 529995), (69, 176665), (89, 136965), (115, 105999), (267, 45655), (345, 35333), (397, 30705), (445, 27393), (1191, 10235), (1335, 9131), (1985, 6141), (2047, 5955)]