28407225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4919}}^1$

素因数の和:4950

約数の個数: 48

約数和(自身を含む): 58567680

約数和(自身を除く): 30160455

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 4919, 5775, 14757, 24595, 34433, 54109, 73785, 103299, 122975, 162327, 172165, 270545, 368925, 378763, 516495, 811635, 860825, 1136289, 1352725, 1893815, 2582475, 4058175, 5681445, 9469075, 28407225]

約数ペア:

[(1, 28407225), (3, 9469075), (5, 5681445), (7, 4058175), (11, 2582475), (15, 1893815), (21, 1352725), (25, 1136289), (33, 860825), (35, 811635), (55, 516495), (75, 378763), (77, 368925), (105, 270545), (165, 172165), (175, 162327), (231, 122975), (275, 103299), (385, 73785), (525, 54109), (825, 34433), (1155, 24595), (1925, 14757), (4919, 5775)]