25113231

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 45676800

約数和(自身を除く): 20563569

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 79, 99, 117, 143, 169, 171, 209, 237, 247, 429, 507, 627, 711, 741, 869, 1027, 1287, 1501, 1521, 1859, 1881, 2223, 2607, 2717, 3081, 3211, 4503, 5577, 7821, 8151, 9243, 9633, 11297, 13351, 13509, 16511, 16731, 19513, 24453, 28899, 33891, 35321, 40053, 49533, 58539, 101673, 105963, 120159, 146861, 148599, 175617, 214643, 253669, 317889, 440583, 643929, 761007, 1321749, 1931787, 2283021, 2790359, 8371077, 25113231]

約数ペア:

[(1, 25113231), (3, 8371077), (9, 2790359), (11, 2283021), (13, 1931787), (19, 1321749), (33, 761007), (39, 643929), (57, 440583), (79, 317889), (99, 253669), (117, 214643), (143, 175617), (169, 148599), (171, 146861), (209, 120159), (237, 105963), (247, 101673), (429, 58539), (507, 49533), (627, 40053), (711, 35321), (741, 33891), (869, 28899), (1027, 24453), (1287, 19513), (1501, 16731), (1521, 16511), (1859, 13509), (1881, 13351), (2223, 11297), (2607, 9633), (2717, 9243), (3081, 8151), (3211, 7821), (4503, 5577)]