15215445

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{1789}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 31274880

約数和(自身を除く): 16059435

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 1789, 2835, 5367, 8505, 8945, 12523, 16101, 26835, 37569, 48303, 62615, 80505, 112707, 144909, 187845, 241515, 338121, 434727, 563535, 724545, 1014363, 1690605, 2173635, 3043089, 5071815, 15215445]

約数ペア:

[(1, 15215445), (3, 5071815), (5, 3043089), (7, 2173635), (9, 1690605), (15, 1014363), (21, 724545), (27, 563535), (35, 434727), (45, 338121), (63, 241515), (81, 187845), (105, 144909), (135, 112707), (189, 80505), (243, 62615), (315, 48303), (405, 37569), (567, 26835), (945, 16101), (1215, 12523), (1701, 8945), (1789, 8505), (2835, 5367)]