4047375

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 6918912

約数和(自身を除く): 2871537

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 251, 375, 645, 753, 1075, 1255, 3225, 3765, 5375, 6275, 10793, 16125, 18825, 31375, 32379, 53965, 94125, 161895, 269825, 809475, 1349125, 4047375]

約数ペア:

[(1, 4047375), (3, 1349125), (5, 809475), (15, 269825), (25, 161895), (43, 94125), (75, 53965), (125, 32379), (129, 31375), (215, 18825), (251, 16125), (375, 10793), (645, 6275), (753, 5375), (1075, 3765), (1255, 3225)]