16031115

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1761

約数の個数: 40

約数和(自身を含む): 30004128

約数和(自身を除く): 13973013

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1721, 1863, 3105, 5163, 8605, 9315, 15489, 25815, 39583, 46467, 77445, 118749, 139401, 197915, 232335, 356247, 593745, 697005, 1068741, 1781235, 3206223, 5343705, 16031115]

約数ペア:

[(1, 16031115), (3, 5343705), (5, 3206223), (9, 1781235), (15, 1068741), (23, 697005), (27, 593745), (45, 356247), (69, 232335), (81, 197915), (115, 139401), (135, 118749), (207, 77445), (345, 46467), (405, 39583), (621, 25815), (1035, 15489), (1721, 9315), (1863, 8605), (3105, 5163)]