127972005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71693}}^1$

素因数の和:71725

約数の個数: 32

約数和(自身を含む): 247774464

約数和(自身を除く): 119802459

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 71693, 215079, 358465, 501851, 1075395, 1218781, 1505553, 2509255, 3656343, 6093905, 7527765, 8531467, 18281715, 25594401, 42657335, 127972005]

約数ペア:

[(1, 127972005), (3, 42657335), (5, 25594401), (7, 18281715), (15, 8531467), (17, 7527765), (21, 6093905), (35, 3656343), (51, 2509255), (85, 1505553), (105, 1218781), (119, 1075395), (255, 501851), (357, 358465), (595, 215079), (1785, 71693)]