222788295

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{2161}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 404726400

約数和(自身を除く): 181938105

約数列:

[1, 3, 5, 9, 15, 29, 45, 79, 87, 145, 237, 261, 395, 435, 711, 1185, 1305, 2161, 2291, 3555, 6483, 6873, 10805, 11455, 19449, 20619, 32415, 34365, 62669, 97245, 103095, 170719, 188007, 313345, 512157, 564021, 853595, 940035, 1536471, 2560785, 2820105, 4950851, 7682355, 14852553, 24754255, 44557659, 74262765, 222788295]

約数ペア:

[(1, 222788295), (3, 74262765), (5, 44557659), (9, 24754255), (15, 14852553), (29, 7682355), (45, 4950851), (79, 2820105), (87, 2560785), (145, 1536471), (237, 940035), (261, 853595), (395, 564021), (435, 512157), (711, 313345), (1185, 188007), (1305, 170719), (2161, 103095), (2291, 97245), (3555, 62669), (6483, 34365), (6873, 32415), (10805, 20619), (11455, 19449)]