31589103

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{461}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 52157952

約数和(自身を除く): 20568849

約数列:

[1, 3, 7, 13, 21, 39, 91, 251, 273, 461, 753, 1383, 1757, 3227, 3263, 5271, 5993, 9681, 9789, 17979, 22841, 41951, 68523, 115711, 125853, 347133, 809977, 1504243, 2429931, 4512729, 10529701, 31589103]

約数ペア:

[(1, 31589103), (3, 10529701), (7, 4512729), (13, 2429931), (21, 1504243), (39, 809977), (91, 347133), (251, 125853), (273, 115711), (461, 68523), (753, 41951), (1383, 22841), (1757, 17979), (3227, 9789), (3263, 9681), (5271, 5993)]