210320019

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{256801}}^1$

素因数の和:256827

約数の個数: 24

約数和(自身を含む): 373903712

約数和(自身を除く): 163583693

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 256801, 770403, 1797607, 2311209, 3338413, 5392821, 10015239, 16178463, 23368891, 30045717, 70106673, 210320019]

約数ペア:

[(1, 210320019), (3, 70106673), (7, 30045717), (9, 23368891), (13, 16178463), (21, 10015239), (39, 5392821), (63, 3338413), (91, 2311209), (117, 1797607), (273, 770403), (819, 256801)]