31928925

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 61380992

約数和(自身を除く): 29452067

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 105, 175, 183, 305, 427, 525, 915, 997, 1281, 1525, 2135, 2991, 4575, 4985, 6405, 6979, 10675, 14955, 20937, 24925, 32025, 34895, 60817, 74775, 104685, 174475, 182451, 304085, 425719, 523425, 912255, 1277157, 1520425, 2128595, 4561275, 6385785, 10642975, 31928925]

約数ペア:

[(1, 31928925), (3, 10642975), (5, 6385785), (7, 4561275), (15, 2128595), (21, 1520425), (25, 1277157), (35, 912255), (61, 523425), (75, 425719), (105, 304085), (175, 182451), (183, 174475), (305, 104685), (427, 74775), (525, 60817), (915, 34895), (997, 32025), (1281, 24925), (1525, 20937), (2135, 14955), (2991, 10675), (4575, 6979), (4985, 6405)]