15561975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1451}}^1$

素因数の和:1488

約数の個数: 48

約数和(自身を含む): 30248064

約数和(自身を除く): 14686089

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 1451, 2145, 3575, 4353, 7255, 10725, 15961, 18863, 21765, 36275, 47883, 56589, 79805, 94315, 108825, 207493, 239415, 282945, 399025, 471575, 622479, 1037465, 1197075, 1414725, 3112395, 5187325, 15561975]

約数ペア:

[(1, 15561975), (3, 5187325), (5, 3112395), (11, 1414725), (13, 1197075), (15, 1037465), (25, 622479), (33, 471575), (39, 399025), (55, 282945), (65, 239415), (75, 207493), (143, 108825), (165, 94315), (195, 79805), (275, 56589), (325, 47883), (429, 36275), (715, 21765), (825, 18863), (975, 15961), (1451, 10725), (2145, 7255), (3575, 4353)]