1931787

素因数分解:

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

素因数の和:128

約数の個数: 48

約数和(自身を含む): 3494400

約数和(自身を除く): 1562613

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 79, 99, 117, 143, 171, 209, 237, 247, 429, 627, 711, 741, 869, 1027, 1287, 1501, 1881, 2223, 2607, 2717, 3081, 4503, 7821, 8151, 9243, 11297, 13509, 16511, 19513, 24453, 33891, 49533, 58539, 101673, 148599, 175617, 214643, 643929, 1931787]

約数ペア:

[(1, 1931787), (3, 643929), (9, 214643), (11, 175617), (13, 148599), (19, 101673), (33, 58539), (39, 49533), (57, 33891), (79, 24453), (99, 19513), (117, 16511), (143, 13509), (171, 11297), (209, 9243), (237, 8151), (247, 7821), (429, 4503), (627, 3081), (711, 2717), (741, 2607), (869, 2223), (1027, 1881), (1287, 1501)]