28781445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{24919}}^1$

素因数の和:24945

約数の個数: 32

約数和(自身を含む): 57415680

約数和(自身を除く): 28634235

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 24919, 74757, 124595, 174433, 274109, 373785, 523299, 822327, 872165, 1370545, 1918763, 2616495, 4111635, 5756289, 9593815, 28781445]

約数ペア:

[(1, 28781445), (3, 9593815), (5, 5756289), (7, 4111635), (11, 2616495), (15, 1918763), (21, 1370545), (33, 872165), (35, 822327), (55, 523299), (77, 373785), (105, 274109), (165, 174433), (231, 124595), (385, 74757), (1155, 24919)]