72797949

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 128702080

約数和(自身を除く): 55904131

約数列:

[1, 3, 7, 9, 19, 21, 57, 61, 63, 133, 171, 183, 399, 427, 549, 997, 1159, 1197, 1281, 2991, 3477, 3843, 6979, 8113, 8973, 10431, 18943, 20937, 24339, 56829, 60817, 62811, 73017, 132601, 170487, 182451, 397803, 425719, 547353, 1155523, 1193409, 1277157, 3466569, 3831471, 8088661, 10399707, 24265983, 72797949]

約数ペア:

[(1, 72797949), (3, 24265983), (7, 10399707), (9, 8088661), (19, 3831471), (21, 3466569), (57, 1277157), (61, 1193409), (63, 1155523), (133, 547353), (171, 425719), (183, 397803), (399, 182451), (427, 170487), (549, 132601), (997, 73017), (1159, 62811), (1197, 60817), (1281, 56829), (2991, 24339), (3477, 20937), (3843, 18943), (6979, 10431), (8113, 8973)]