25722855

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{857}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 48185280

約数和(自身を除く): 22462425

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 145, 207, 261, 345, 435, 667, 857, 1035, 1305, 2001, 2571, 3335, 4285, 6003, 7713, 10005, 12855, 19711, 24853, 30015, 38565, 59133, 74559, 98555, 124265, 177399, 223677, 295665, 372795, 571619, 886995, 1118385, 1714857, 2858095, 5144571, 8574285, 25722855]

約数ペア:

[(1, 25722855), (3, 8574285), (5, 5144571), (9, 2858095), (15, 1714857), (23, 1118385), (29, 886995), (45, 571619), (69, 372795), (87, 295665), (115, 223677), (145, 177399), (207, 124265), (261, 98555), (345, 74559), (435, 59133), (667, 38565), (857, 30015), (1035, 24853), (1305, 19711), (2001, 12855), (2571, 10005), (3335, 7713), (4285, 6003)]