28302495

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7639}}^1$

素因数の和:7679

約数の個数: 32

約数和(自身を含む): 51340800

約数和(自身を除く): 23038305

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 7639, 22917, 38195, 99307, 114585, 145141, 297921, 435423, 496535, 725705, 1489605, 1886833, 2177115, 5660499, 9434165, 28302495]

約数ペア:

[(1, 28302495), (3, 9434165), (5, 5660499), (13, 2177115), (15, 1886833), (19, 1489605), (39, 725705), (57, 496535), (65, 435423), (95, 297921), (195, 145141), (247, 114585), (285, 99307), (741, 38195), (1235, 22917), (3705, 7639)]