4006665

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{761}}^1$

素因数の和:791

約数の個数: 40

約数和(自身を含む): 7744968

約数和(自身を除く): 3738303

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 761, 1053, 1755, 2283, 3805, 5265, 6849, 9893, 11415, 20547, 29679, 34245, 49465, 61641, 89037, 102735, 148395, 267111, 308205, 445185, 801333, 1335555, 4006665]

約数ペア:

[(1, 4006665), (3, 1335555), (5, 801333), (9, 445185), (13, 308205), (15, 267111), (27, 148395), (39, 102735), (45, 89037), (65, 61641), (81, 49465), (117, 34245), (135, 29679), (195, 20547), (351, 11415), (405, 9893), (585, 6849), (761, 5265), (1053, 3805), (1755, 2283)]