161719161471

素因数分解:

$3^3\times 7^1\times {\mathrm{1181}}^1\times {\mathrm{724519}}^1$

素因数の和:725716

約数の個数: 32

約数和(自身を含む): 274042444800

約数和(自身を除く): 112323283329

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1181, 3543, 8267, 10629, 24801, 31887, 74403, 223209, 724519, 2173557, 5071633, 6520671, 15214899, 19562013, 45644697, 136934091, 855656939, 2566970817, 5989598573, 7700912451, 17968795719, 23102737353, 53906387157, 161719161471]

約数ペア:

[(1, 161719161471), (3, 53906387157), (7, 23102737353), (9, 17968795719), (21, 7700912451), (27, 5989598573), (63, 2566970817), (189, 855656939), (1181, 136934091), (3543, 45644697), (8267, 19562013), (10629, 15214899), (24801, 6520671), (31887, 5071633), (74403, 2173557), (223209, 724519)]