228966915

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{2531}}^1$

素因数の和:2739

約数の個数: 32

約数和(自身を含む): 378706176

約数和(自身を除く): 149739261

約数列:

[1, 3, 5, 15, 37, 111, 163, 185, 489, 555, 815, 2445, 2531, 6031, 7593, 12655, 18093, 30155, 37965, 90465, 93647, 280941, 412553, 468235, 1237659, 1404705, 2062765, 6188295, 15264461, 45793383, 76322305, 228966915]

約数ペア:

[(1, 228966915), (3, 76322305), (5, 45793383), (15, 15264461), (37, 6188295), (111, 2062765), (163, 1404705), (185, 1237659), (489, 468235), (555, 412553), (815, 280941), (2445, 93647), (2531, 90465), (6031, 37965), (7593, 30155), (12655, 18093)]