781023165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{6229}}^1$

素因数の和:6893

約数の個数: 32

約数和(自身を含む): 1348072320

約数和(自身を除く): 567049155

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 643, 1929, 3215, 6229, 8359, 9645, 18687, 25077, 31145, 41795, 80977, 93435, 125385, 242931, 404885, 1214655, 4005247, 12015741, 20026235, 52068211, 60078705, 156204633, 260341055, 781023165]

約数ペア:

[(1, 781023165), (3, 260341055), (5, 156204633), (13, 60078705), (15, 52068211), (39, 20026235), (65, 12015741), (195, 4005247), (643, 1214655), (1929, 404885), (3215, 242931), (6229, 125385), (8359, 93435), (9645, 80977), (18687, 41795), (25077, 31145)]