9905985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 19004544

約数和(自身を除く): 9098559

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 563, 765, 1035, 1173, 1689, 1955, 2815, 3519, 5067, 5865, 8445, 9571, 12949, 17595, 25335, 28713, 38847, 47855, 64745, 86139, 116541, 143565, 194235, 220133, 430695, 582705, 660399, 1100665, 1981197, 3301995, 9905985]

約数ペア:

[(1, 9905985), (3, 3301995), (5, 1981197), (9, 1100665), (15, 660399), (17, 582705), (23, 430695), (45, 220133), (51, 194235), (69, 143565), (85, 116541), (115, 86139), (153, 64745), (207, 47855), (255, 38847), (345, 28713), (391, 25335), (563, 17595), (765, 12949), (1035, 9571), (1173, 8445), (1689, 5865), (1955, 5067), (2815, 3519)]