268668819

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 428343552

約数和(自身を除く): 159674733

約数列:

[1, 3, 9, 23, 27, 53, 69, 81, 159, 207, 243, 477, 621, 907, 1219, 1431, 1863, 2721, 3657, 4293, 5589, 8163, 10971, 12879, 20861, 24489, 32913, 48071, 62583, 73467, 98739, 144213, 187749, 220401, 296217, 432639, 563247, 1105633, 1297917, 1689741, 3316899, 3893751, 5069223, 9950697, 11681253, 29852091, 89556273, 268668819]

約数ペア:

[(1, 268668819), (3, 89556273), (9, 29852091), (23, 11681253), (27, 9950697), (53, 5069223), (69, 3893751), (81, 3316899), (159, 1689741), (207, 1297917), (243, 1105633), (477, 563247), (621, 432639), (907, 296217), (1219, 220401), (1431, 187749), (1863, 144213), (2721, 98739), (3657, 73467), (4293, 62583), (5589, 48071), (8163, 32913), (10971, 24489), (12879, 20861)]