631605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 1128960

約数和(自身を除く): 497355

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 79, 123, 195, 205, 237, 395, 533, 615, 1027, 1185, 1599, 2665, 3081, 3239, 5135, 7995, 9717, 15405, 16195, 42107, 48585, 126321, 210535, 631605]

約数ペア:

[(1, 631605), (3, 210535), (5, 126321), (13, 48585), (15, 42107), (39, 16195), (41, 15405), (65, 9717), (79, 7995), (123, 5135), (195, 3239), (205, 3081), (237, 2665), (395, 1599), (533, 1185), (615, 1027)]