31426455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 53561088

約数和(自身を除く): 22134633

約数列:

[1, 3, 5, 15, 17, 51, 85, 251, 255, 491, 753, 1255, 1473, 2455, 3765, 4267, 7365, 8347, 12801, 21335, 25041, 41735, 64005, 123241, 125205, 369723, 616205, 1848615, 2095097, 6285291, 10475485, 31426455]

約数ペア:

[(1, 31426455), (3, 10475485), (5, 6285291), (15, 2095097), (17, 1848615), (51, 616205), (85, 369723), (251, 125205), (255, 123241), (491, 64005), (753, 41735), (1255, 25041), (1473, 21335), (2455, 12801), (3765, 8347), (4267, 7365)]