28741725

素因数分解:

$3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{919}}^1$

素因数の和:1074

約数の個数: 36

約数和(自身を含む): 51906400

約数和(自身を除く): 23164675

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 139, 225, 417, 695, 919, 1251, 2085, 2757, 3475, 4595, 6255, 8271, 10425, 13785, 22975, 31275, 41355, 68925, 127741, 206775, 383223, 638705, 1149669, 1916115, 3193525, 5748345, 9580575, 28741725]

約数ペア:

[(1, 28741725), (3, 9580575), (5, 5748345), (9, 3193525), (15, 1916115), (25, 1149669), (45, 638705), (75, 383223), (139, 206775), (225, 127741), (417, 68925), (695, 41355), (919, 31275), (1251, 22975), (2085, 13785), (2757, 10425), (3475, 8271), (4595, 6255)]