127839215

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 180804096

約数和(自身を除く): 52964881

約数列:

[1, 5, 7, 35, 43, 173, 215, 301, 491, 865, 1211, 1505, 2455, 3437, 6055, 7439, 17185, 21113, 37195, 52073, 84943, 105565, 147791, 260365, 424715, 594601, 738955, 2973005, 3652549, 18262745, 25567843, 127839215]

約数ペア:

[(1, 127839215), (5, 25567843), (7, 18262745), (35, 3652549), (43, 2973005), (173, 738955), (215, 594601), (301, 424715), (491, 260365), (865, 147791), (1211, 105565), (1505, 84943), (2455, 52073), (3437, 37195), (6055, 21113), (7439, 17185)]