248296185

素因数分解:

$3^5\times 5^1\times {\mathrm{204359}}^1$

素因数の和:204379

約数の個数: 24

約数和(自身を含む): 446322240

約数和(自身を除く): 198026055

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 204359, 613077, 1021795, 1839231, 3065385, 5517693, 9196155, 16553079, 27588465, 49659237, 82765395, 248296185]

約数ペア:

[(1, 248296185), (3, 82765395), (5, 49659237), (9, 27588465), (15, 16553079), (27, 9196155), (45, 5517693), (81, 3065385), (135, 1839231), (243, 1021795), (405, 613077), (1215, 204359)]