1856145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 3265920

約数和(自身を除く): 1409775

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 251, 255, 435, 493, 753, 1255, 1479, 2465, 3765, 4267, 7279, 7395, 12801, 21335, 21837, 36395, 64005, 109185, 123743, 371229, 618715, 1856145]

約数ペア:

[(1, 1856145), (3, 618715), (5, 371229), (15, 123743), (17, 109185), (29, 64005), (51, 36395), (85, 21837), (87, 21335), (145, 12801), (251, 7395), (255, 7279), (435, 4267), (493, 3765), (753, 2465), (1255, 1479)]