1728018819

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{28687}}^1$

素因数の和:28816

約数の個数: 32

約数和(自身を含む): 2698967040

約数和(自身を除く): 970948221

約数列:

[1, 3, 9, 23, 27, 69, 97, 207, 291, 621, 873, 2231, 2619, 6693, 20079, 28687, 60237, 86061, 258183, 659801, 774549, 1979403, 2782639, 5938209, 8347917, 17814627, 25043751, 64000697, 75131253, 192002091, 576006273, 1728018819]

約数ペア:

[(1, 1728018819), (3, 576006273), (9, 192002091), (23, 75131253), (27, 64000697), (69, 25043751), (97, 17814627), (207, 8347917), (291, 5938209), (621, 2782639), (873, 1979403), (2231, 774549), (2619, 659801), (6693, 258183), (20079, 86061), (28687, 60237)]