1278946905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{24793}}^1$

素因数の和:25001

約数の個数: 32

約数和(自身を含む): 2166003840

約数和(自身を除く): 887056935

約数列:

[1, 3, 5, 15, 19, 57, 95, 181, 285, 543, 905, 2715, 3439, 10317, 17195, 24793, 51585, 74379, 123965, 371895, 471067, 1413201, 2355335, 4487533, 7066005, 13462599, 22437665, 67312995, 85263127, 255789381, 426315635, 1278946905]

約数ペア:

[(1, 1278946905), (3, 426315635), (5, 255789381), (15, 85263127), (19, 67312995), (57, 22437665), (95, 13462599), (181, 7066005), (285, 4487533), (543, 2355335), (905, 1413201), (2715, 471067), (3439, 371895), (10317, 123965), (17195, 74379), (24793, 51585)]