39281805

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 72783360

約数和(自身を除く): 33501555

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 435, 465, 899, 971, 1305, 1395, 2697, 2913, 4495, 4855, 8091, 8739, 13485, 14565, 28159, 30101, 40455, 43695, 84477, 90303, 140795, 150505, 253431, 270909, 422385, 451515, 872929, 1267155, 1354545, 2618787, 4364645, 7856361, 13093935, 39281805]

約数ペア:

[(1, 39281805), (3, 13093935), (5, 7856361), (9, 4364645), (15, 2618787), (29, 1354545), (31, 1267155), (45, 872929), (87, 451515), (93, 422385), (145, 270909), (155, 253431), (261, 150505), (279, 140795), (435, 90303), (465, 84477), (899, 43695), (971, 40455), (1305, 30101), (1395, 28159), (2697, 14565), (2913, 13485), (4495, 8739), (4855, 8091)]