213121275

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{48163}}^1$

素因数の和:48235

約数の個数: 24

約数和(自身を含む): 358340160

約数和(自身を除く): 145218885

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4425, 48163, 144489, 240815, 722445, 1204075, 2841617, 3612225, 8524851, 14208085, 42624255, 71040425, 213121275]

約数ペア:

[(1, 213121275), (3, 71040425), (5, 42624255), (15, 14208085), (25, 8524851), (59, 3612225), (75, 2841617), (177, 1204075), (295, 722445), (885, 240815), (1475, 144489), (4425, 48163)]