4205205

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 8087040

約数和(自身を除く): 3881835

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 239, 255, 345, 391, 717, 765, 1035, 1173, 1195, 1955, 2151, 3519, 3585, 4063, 5497, 5865, 10755, 12189, 16491, 17595, 20315, 27485, 36567, 49473, 60945, 82455, 93449, 182835, 247365, 280347, 467245, 841041, 1401735, 4205205]

約数ペア:

[(1, 4205205), (3, 1401735), (5, 841041), (9, 467245), (15, 280347), (17, 247365), (23, 182835), (45, 93449), (51, 82455), (69, 60945), (85, 49473), (115, 36567), (153, 27485), (207, 20315), (239, 17595), (255, 16491), (345, 12189), (391, 10755), (717, 5865), (765, 5497), (1035, 4063), (1173, 3585), (1195, 3519), (1955, 2151)]