49406721

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1321}}^1$

素因数の和:1481

約数の個数: 32

約数和(自身を含む): 81731328

約数和(自身を除く): 32324607

約数列:

[1, 3, 7, 13, 21, 39, 91, 137, 273, 411, 959, 1321, 1781, 2877, 3963, 5343, 9247, 12467, 17173, 27741, 37401, 51519, 120211, 180977, 360633, 542931, 1266839, 2352701, 3800517, 7058103, 16468907, 49406721]

約数ペア:

[(1, 49406721), (3, 16468907), (7, 7058103), (13, 3800517), (21, 2352701), (39, 1266839), (91, 542931), (137, 360633), (273, 180977), (411, 120211), (959, 51519), (1321, 37401), (1781, 27741), (2877, 17173), (3963, 12467), (5343, 9247)]