28073355

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:883

約数の個数: 32

約数和(自身を含む): 47692800

約数和(自身を除く): 19619445

約数列:

[1, 3, 5, 15, 19, 57, 95, 137, 285, 411, 685, 719, 2055, 2157, 2603, 3595, 7809, 10785, 13015, 13661, 39045, 40983, 68305, 98503, 204915, 295509, 492515, 1477545, 1871557, 5614671, 9357785, 28073355]

約数ペア:

[(1, 28073355), (3, 9357785), (5, 5614671), (15, 1871557), (19, 1477545), (57, 492515), (95, 295509), (137, 204915), (285, 98503), (411, 68305), (685, 40983), (719, 39045), (2055, 13661), (2157, 13015), (2603, 10785), (3595, 7809)]