2980455

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 5101056

約数和(自身を除く): 2120601

約数列:

[1, 3, 5, 15, 23, 53, 69, 115, 159, 163, 265, 345, 489, 795, 815, 1219, 2445, 3657, 3749, 6095, 8639, 11247, 18285, 18745, 25917, 43195, 56235, 129585, 198697, 596091, 993485, 2980455]

約数ペア:

[(1, 2980455), (3, 993485), (5, 596091), (15, 198697), (23, 129585), (53, 56235), (69, 43195), (115, 25917), (159, 18745), (163, 18285), (265, 11247), (345, 8639), (489, 6095), (795, 3749), (815, 3657), (1219, 2445)]