1989195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^2$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 3461808

約数和(自身を除く): 1472613

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1313, 1515, 3939, 6565, 10201, 19695, 30603, 51005, 132613, 153015, 397839, 663065, 1989195]

約数ペア:

[(1, 1989195), (3, 663065), (5, 397839), (13, 153015), (15, 132613), (39, 51005), (65, 30603), (101, 19695), (195, 10201), (303, 6565), (505, 3939), (1313, 1515)]