28002015

素因数分解:

$3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1783}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 48703200

約数和(自身を除く): 20701185

約数列:

[1, 3, 5, 9, 15, 45, 349, 1047, 1745, 1783, 3141, 5235, 5349, 8915, 15705, 16047, 26745, 80235, 622267, 1866801, 3111335, 5600403, 9334005, 28002015]

約数ペア:

[(1, 28002015), (3, 9334005), (5, 5600403), (9, 3111335), (15, 1866801), (45, 622267), (349, 80235), (1047, 26745), (1745, 16047), (1783, 15705), (3141, 8915), (5235, 5349)]