81562185

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{691}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 147246528

約数和(自身を除く): 65684343

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 129, 183, 215, 305, 387, 549, 645, 691, 915, 1935, 2073, 2623, 2745, 3455, 6219, 7869, 10365, 13115, 23607, 29713, 31095, 39345, 42151, 89139, 118035, 126453, 148565, 210755, 267417, 379359, 445695, 632265, 1337085, 1812493, 1896795, 5437479, 9062465, 16312437, 27187395, 81562185]

約数ペア:

[(1, 81562185), (3, 27187395), (5, 16312437), (9, 9062465), (15, 5437479), (43, 1896795), (45, 1812493), (61, 1337085), (129, 632265), (183, 445695), (215, 379359), (305, 267417), (387, 210755), (549, 148565), (645, 126453), (691, 118035), (915, 89139), (1935, 42151), (2073, 39345), (2623, 31095), (2745, 29713), (3455, 23607), (6219, 13115), (7869, 10365)]