212280825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{479}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 371404800

約数和(自身を除く): 159123975

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 311, 475, 479, 933, 1425, 1437, 1555, 2395, 4665, 5909, 7185, 7775, 9101, 11975, 17727, 23325, 27303, 29545, 35925, 45505, 88635, 136515, 147725, 148969, 227525, 443175, 446907, 682575, 744845, 2234535, 2830411, 3724225, 8491233, 11172675, 14152055, 42456165, 70760275, 212280825]

約数ペア:

[(1, 212280825), (3, 70760275), (5, 42456165), (15, 14152055), (19, 11172675), (25, 8491233), (57, 3724225), (75, 2830411), (95, 2234535), (285, 744845), (311, 682575), (475, 446907), (479, 443175), (933, 227525), (1425, 148969), (1437, 147725), (1555, 136515), (2395, 88635), (4665, 45505), (5909, 35925), (7185, 29545), (7775, 27303), (9101, 23325), (11975, 17727)]