18605025

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:703

約数の個数: 48

約数和(自身を含む): 35027520

約数和(自身を除く): 16422495

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 641, 645, 675, 1075, 1161, 1923, 1935, 3205, 3225, 5769, 5805, 9615, 9675, 16025, 17307, 27563, 28845, 29025, 48075, 82689, 86535, 137815, 144225, 248067, 413445, 432675, 689075, 744201, 1240335, 2067225, 3721005, 6201675, 18605025]

約数ペア:

[(1, 18605025), (3, 6201675), (5, 3721005), (9, 2067225), (15, 1240335), (25, 744201), (27, 689075), (43, 432675), (45, 413445), (75, 248067), (129, 144225), (135, 137815), (215, 86535), (225, 82689), (387, 48075), (641, 29025), (645, 28845), (675, 27563), (1075, 17307), (1161, 16025), (1923, 9675), (1935, 9615), (3205, 5805), (3225, 5769)]