201922515

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263951}}^1$

素因数の和:263979

約数の個数: 24

約数和(自身を含む): 370588608

約数和(自身を除く): 168666093

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 263951, 791853, 1319755, 2375559, 3959265, 4487167, 11877795, 13461501, 22435835, 40384503, 67307505, 201922515]

約数ペア:

[(1, 201922515), (3, 67307505), (5, 40384503), (9, 22435835), (15, 13461501), (17, 11877795), (45, 4487167), (51, 3959265), (85, 2375559), (153, 1319755), (255, 791853), (765, 263951)]