2106975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2161}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 3753232

約数和(自身を除く): 1646257

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 2161, 6483, 10805, 28093, 32415, 54025, 84279, 140465, 162075, 421395, 702325, 2106975]

約数ペア:

[(1, 2106975), (3, 702325), (5, 421395), (13, 162075), (15, 140465), (25, 84279), (39, 54025), (65, 32415), (75, 28093), (195, 10805), (325, 6483), (975, 2161)]