28109115

素因数分解:

$3^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{1019}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 48849840

約数和(自身を除く): 20740725

約数列:

[1, 3, 5, 9, 15, 45, 613, 1019, 1839, 3057, 3065, 5095, 5517, 9171, 9195, 15285, 27585, 45855, 624647, 1873941, 3123235, 5621823, 9369705, 28109115]

約数ペア:

[(1, 28109115), (3, 9369705), (5, 5621823), (9, 3123235), (15, 1873941), (45, 624647), (613, 45855), (1019, 27585), (1839, 15285), (3057, 9195), (3065, 9171), (5095, 5517)]