209956556943

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1\times {\mathrm{69877}}^1$

素因数の和:71216

約数の個数: 48

約数和(自身を含む): 356243634240

約数和(自身を除く): 146287077297

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 1289, 2331, 3867, 9023, 11601, 27069, 47693, 69877, 81207, 143079, 209631, 333851, 429237, 489139, 628893, 1001553, 1467417, 2585449, 3004659, 4402251, 7756347, 18098143, 23269041, 54294429, 90071453, 162883287, 270214359, 630500171, 810643077, 1891500513, 3332643761, 5674501539, 9997931283, 23328506327, 29993793849, 69985518981, 209956556943]

約数ペア:

[(1, 209956556943), (3, 69985518981), (7, 29993793849), (9, 23328506327), (21, 9997931283), (37, 5674501539), (63, 3332643761), (111, 1891500513), (259, 810643077), (333, 630500171), (777, 270214359), (1289, 162883287), (2331, 90071453), (3867, 54294429), (9023, 23269041), (11601, 18098143), (27069, 7756347), (47693, 4402251), (69877, 3004659), (81207, 2585449), (143079, 1467417), (209631, 1001553), (333851, 628893), (429237, 489139)]