291333861

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{1303}}^1$

素因数の和:1352

約数の個数: 72

約数和(自身を含む): 544080960

約数和(自身を除く): 252747099

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 169, 189, 273, 351, 441, 507, 637, 819, 1183, 1303, 1323, 1521, 1911, 2457, 3549, 3909, 4563, 5733, 8281, 9121, 10647, 11727, 16939, 17199, 24843, 27363, 31941, 35181, 50817, 63847, 74529, 82089, 118573, 152451, 191541, 220207, 223587, 246267, 355719, 457353, 574623, 660621, 830011, 1067157, 1541449, 1723869, 1981863, 2490033, 3201471, 4624347, 5945589, 7470099, 10790143, 13873041, 22410297, 32370429, 41619123, 97111287, 291333861]

約数ペア:

[(1, 291333861), (3, 97111287), (7, 41619123), (9, 32370429), (13, 22410297), (21, 13873041), (27, 10790143), (39, 7470099), (49, 5945589), (63, 4624347), (91, 3201471), (117, 2490033), (147, 1981863), (169, 1723869), (189, 1541449), (273, 1067157), (351, 830011), (441, 660621), (507, 574623), (637, 457353), (819, 355719), (1183, 246267), (1303, 223587), (1323, 220207), (1521, 191541), (1911, 152451), (2457, 118573), (3549, 82089), (3909, 74529), (4563, 63847), (5733, 50817), (8281, 35181), (9121, 31941), (10647, 27363), (11727, 24843), (16939, 17199)]