19902075

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3359}}^1$

素因数の和:3451

約数の個数: 24

約数和(自身を含む): 33331200

約数和(自身を除く): 13429125

約数列:

[1, 3, 5, 15, 25, 75, 79, 237, 395, 1185, 1975, 3359, 5925, 10077, 16795, 50385, 83975, 251925, 265361, 796083, 1326805, 3980415, 6634025, 19902075]

約数ペア:

[(1, 19902075), (3, 6634025), (5, 3980415), (15, 1326805), (25, 796083), (75, 265361), (79, 251925), (237, 83975), (395, 50385), (1185, 16795), (1975, 10077), (3359, 5925)]