12218175

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:829

約数の個数: 48

約数和(自身を含む): 23450880

約数和(自身を除く): 11232705

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 575, 621, 675, 787, 1035, 1725, 2361, 3105, 3935, 5175, 7083, 11805, 15525, 18101, 19675, 21249, 35415, 54303, 59025, 90505, 106245, 162909, 177075, 271515, 452525, 488727, 531225, 814545, 1357575, 2443635, 4072725, 12218175]

約数ペア:

[(1, 12218175), (3, 4072725), (5, 2443635), (9, 1357575), (15, 814545), (23, 531225), (25, 488727), (27, 452525), (45, 271515), (69, 177075), (75, 162909), (115, 106245), (135, 90505), (207, 59025), (225, 54303), (345, 35415), (575, 21249), (621, 19675), (675, 18101), (787, 15525), (1035, 11805), (1725, 7083), (2361, 5175), (3105, 3935)]