1781793

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 2818088

約数和(自身を除く): 1036295

約数列:

[1, 3, 9, 13, 39, 97, 117, 157, 291, 471, 873, 1261, 1413, 2041, 3783, 6123, 11349, 15229, 18369, 45687, 137061, 197977, 593931, 1781793]

約数ペア:

[(1, 1781793), (3, 593931), (9, 197977), (13, 137061), (39, 45687), (97, 18369), (117, 15229), (157, 11349), (291, 6123), (471, 3783), (873, 2041), (1261, 1413)]