28545405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{271861}}^1$

素因数の和:271876

約数の個数: 16

約数和(自身を含む): 52197504

約数和(自身を除く): 23652099

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 271861, 815583, 1359305, 1903027, 4077915, 5709081, 9515135, 28545405]

約数ペア:

[(1, 28545405), (3, 9515135), (5, 5709081), (7, 4077915), (15, 1903027), (21, 1359305), (35, 815583), (105, 271861)]