18179775

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 34878720

約数和(自身を除く): 16698945

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 575, 621, 675, 1035, 1171, 1725, 3105, 3513, 5175, 5855, 10539, 15525, 17565, 26933, 29275, 31617, 52695, 80799, 87825, 134665, 158085, 242397, 263475, 403995, 673325, 727191, 790425, 1211985, 2019975, 3635955, 6059925, 18179775]

約数ペア:

[(1, 18179775), (3, 6059925), (5, 3635955), (9, 2019975), (15, 1211985), (23, 790425), (25, 727191), (27, 673325), (45, 403995), (69, 263475), (75, 242397), (115, 158085), (135, 134665), (207, 87825), (225, 80799), (345, 52695), (575, 31617), (621, 29275), (675, 26933), (1035, 17565), (1171, 15525), (1725, 10539), (3105, 5855), (3513, 5175)]