249757575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2264

約数の個数: 48

約数和(自身を含む): 437519616

約数和(自身を除く): 187762041

約数列:

[1, 3, 5, 15, 23, 25, 67, 69, 75, 115, 201, 335, 345, 575, 1005, 1541, 1675, 1725, 2161, 4623, 5025, 6483, 7705, 10805, 23115, 32415, 38525, 49703, 54025, 115575, 144787, 149109, 162075, 248515, 434361, 723935, 745545, 1242575, 2171805, 3330101, 3619675, 3727725, 9990303, 10859025, 16650505, 49951515, 83252525, 249757575]

約数ペア:

[(1, 249757575), (3, 83252525), (5, 49951515), (15, 16650505), (23, 10859025), (25, 9990303), (67, 3727725), (69, 3619675), (75, 3330101), (115, 2171805), (201, 1242575), (335, 745545), (345, 723935), (575, 434361), (1005, 248515), (1541, 162075), (1675, 149109), (1725, 144787), (2161, 115575), (4623, 54025), (5025, 49703), (6483, 38525), (7705, 32415), (10805, 23115)]