129181815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1033}}^1$

素因数の和:1448

約数の個数: 48

約数和(自身を含む): 256795968

約数和(自身を除く): 127614153

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 397, 1033, 1191, 1985, 2779, 3099, 3573, 5165, 5955, 7231, 8337, 9297, 13895, 15495, 17865, 21693, 25011, 36155, 41685, 46485, 65079, 108465, 125055, 325395, 410101, 1230303, 2050505, 2870707, 3690909, 6151515, 8612121, 14353535, 18454545, 25836363, 43060605, 129181815]

約数ペア:

[(1, 129181815), (3, 43060605), (5, 25836363), (7, 18454545), (9, 14353535), (15, 8612121), (21, 6151515), (35, 3690909), (45, 2870707), (63, 2050505), (105, 1230303), (315, 410101), (397, 325395), (1033, 125055), (1191, 108465), (1985, 65079), (2779, 46485), (3099, 41685), (3573, 36155), (5165, 25011), (5955, 21693), (7231, 17865), (8337, 15495), (9297, 13895)]