2257515

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 4481568

約数和(自身を除く): 2224053

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 227, 255, 585, 663, 681, 765, 1105, 1135, 1989, 2043, 2951, 3315, 3405, 3859, 8853, 9945, 10215, 11577, 14755, 19295, 26559, 34731, 44265, 50167, 57885, 132795, 150501, 173655, 250835, 451503, 752505, 2257515]

約数ペア:

[(1, 2257515), (3, 752505), (5, 451503), (9, 250835), (13, 173655), (15, 150501), (17, 132795), (39, 57885), (45, 50167), (51, 44265), (65, 34731), (85, 26559), (117, 19295), (153, 14755), (195, 11577), (221, 10215), (227, 9945), (255, 8853), (585, 3859), (663, 3405), (681, 3315), (765, 2951), (1105, 2043), (1135, 1989)]