25797915

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 55560960

約数和(自身を除く): 29763045

約数列:

[1, 3, 5, 9, 11, 13, 15, 19, 33, 39, 45, 55, 57, 65, 95, 99, 117, 143, 165, 171, 195, 209, 211, 247, 285, 429, 495, 585, 627, 633, 715, 741, 855, 1045, 1055, 1235, 1287, 1881, 1899, 2145, 2223, 2321, 2717, 2743, 3135, 3165, 3705, 4009, 6435, 6963, 8151, 8229, 9405, 9495, 11115, 11605, 12027, 13585, 13715, 20045, 20889, 24453, 24687, 30173, 34815, 36081, 40755, 41145, 44099, 52117, 60135, 90519, 104445, 122265, 123435, 132297, 150865, 156351, 180405, 220495, 260585, 271557, 396891, 452595, 469053, 573287, 661485, 781755, 1357785, 1719861, 1984455, 2345265, 2866435, 5159583, 8599305, 25797915]

約数ペア:

[(1, 25797915), (3, 8599305), (5, 5159583), (9, 2866435), (11, 2345265), (13, 1984455), (15, 1719861), (19, 1357785), (33, 781755), (39, 661485), (45, 573287), (55, 469053), (57, 452595), (65, 396891), (95, 271557), (99, 260585), (117, 220495), (143, 180405), (165, 156351), (171, 150865), (195, 132297), (209, 123435), (211, 122265), (247, 104445), (285, 90519), (429, 60135), (495, 52117), (585, 44099), (627, 41145), (633, 40755), (715, 36081), (741, 34815), (855, 30173), (1045, 24687), (1055, 24453), (1235, 20889), (1287, 20045), (1881, 13715), (1899, 13585), (2145, 12027), (2223, 11605), (2321, 11115), (2717, 9495), (2743, 9405), (3135, 8229), (3165, 8151), (3705, 6963), (4009, 6435)]