120188385

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157109}}^1$

素因数の和:157137

約数の個数: 24

約数和(自身を含む): 220582440

約数和(自身を除く): 100394055

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 157109, 471327, 785545, 1413981, 2356635, 2670853, 7069905, 8012559, 13354265, 24037677, 40062795, 120188385]

約数ペア:

[(1, 120188385), (3, 40062795), (5, 24037677), (9, 13354265), (15, 8012559), (17, 7069905), (45, 2670853), (51, 2356635), (85, 1413981), (153, 785545), (255, 471327), (765, 157109)]