16580895

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 28062720

約数和(自身を除く): 11481825

約数列:

[1, 3, 5, 15, 29, 47, 87, 141, 145, 235, 435, 705, 811, 1363, 2433, 4055, 4089, 6815, 12165, 20445, 23519, 38117, 70557, 114351, 117595, 190585, 352785, 571755, 1105393, 3316179, 5526965, 16580895]

約数ペア:

[(1, 16580895), (3, 5526965), (5, 3316179), (15, 1105393), (29, 571755), (47, 352785), (87, 190585), (141, 117595), (145, 114351), (235, 70557), (435, 38117), (705, 23519), (811, 20445), (1363, 12165), (2433, 6815), (4055, 4089)]