42007815

素因数分解:

$3^4\times 5^1\times {\mathrm{103723}}^1$

素因数の和:103740

約数の個数: 20

約数和(自身を含む): 75303624

約数和(自身を除く): 33295809

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 103723, 311169, 518615, 933507, 1555845, 2800521, 4667535, 8401563, 14002605, 42007815]

約数ペア:

[(1, 42007815), (3, 14002605), (5, 8401563), (9, 4667535), (15, 2800521), (27, 1555845), (45, 933507), (81, 518615), (135, 311169), (405, 103723)]