42380265

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 70108416

約数和(自身を除く): 27728151

約数列:

[1, 3, 5, 15, 41, 123, 137, 205, 411, 503, 615, 685, 1509, 2055, 2515, 5617, 7545, 16851, 20623, 28085, 61869, 68911, 84255, 103115, 206733, 309345, 344555, 1033665, 2825351, 8476053, 14126755, 42380265]

約数ペア:

[(1, 42380265), (3, 14126755), (5, 8476053), (15, 2825351), (41, 1033665), (123, 344555), (137, 309345), (205, 206733), (411, 103115), (503, 84255), (615, 68911), (685, 61869), (1509, 28085), (2055, 20623), (2515, 16851), (5617, 7545)]