22771725

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 40330752

約数和(自身を除く): 17559027

約数列:

[1, 3, 5, 15, 23, 25, 43, 69, 75, 115, 129, 215, 307, 345, 575, 645, 921, 989, 1075, 1535, 1725, 2967, 3225, 4605, 4945, 7061, 7675, 13201, 14835, 21183, 23025, 24725, 35305, 39603, 66005, 74175, 105915, 176525, 198015, 303623, 330025, 529575, 910869, 990075, 1518115, 4554345, 7590575, 22771725]

約数ペア:

[(1, 22771725), (3, 7590575), (5, 4554345), (15, 1518115), (23, 990075), (25, 910869), (43, 529575), (69, 330025), (75, 303623), (115, 198015), (129, 176525), (215, 105915), (307, 74175), (345, 66005), (575, 39603), (645, 35305), (921, 24725), (989, 23025), (1075, 21183), (1535, 14835), (1725, 13201), (2967, 7675), (3225, 7061), (4605, 4945)]