1242585

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 2198664

約数和(自身を除く): 956079

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 521, 795, 1563, 2385, 2605, 4689, 7815, 23445, 27613, 82839, 138065, 248517, 414195, 1242585]

約数ペア:

[(1, 1242585), (3, 414195), (5, 248517), (9, 138065), (15, 82839), (45, 27613), (53, 23445), (159, 7815), (265, 4689), (477, 2605), (521, 2385), (795, 1563)]