74157315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 129514464

約数和(自身を除く): 55357149

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 173, 205, 255, 519, 615, 697, 865, 1681, 2091, 2595, 2941, 3485, 5043, 7093, 8405, 8823, 10455, 14705, 21279, 25215, 28577, 35465, 44115, 85731, 106395, 120581, 142885, 290813, 361743, 428655, 602905, 872439, 1454065, 1808715, 4362195, 4943821, 14831463, 24719105, 74157315]

約数ペア:

[(1, 74157315), (3, 24719105), (5, 14831463), (15, 4943821), (17, 4362195), (41, 1808715), (51, 1454065), (85, 872439), (123, 602905), (173, 428655), (205, 361743), (255, 290813), (519, 142885), (615, 120581), (697, 106395), (865, 85731), (1681, 44115), (2091, 35465), (2595, 28577), (2941, 25215), (3485, 21279), (5043, 14705), (7093, 10455), (8405, 8823)]