11987235

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 23132928

約数和(自身を除く): 11145693

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 279, 403, 465, 585, 661, 1209, 1395, 1983, 2015, 3305, 3627, 5949, 6045, 8593, 9915, 18135, 20491, 25779, 29745, 42965, 61473, 77337, 102455, 128895, 184419, 266383, 307365, 386685, 799149, 922095, 1331915, 2397447, 3995745, 11987235]

約数ペア:

[(1, 11987235), (3, 3995745), (5, 2397447), (9, 1331915), (13, 922095), (15, 799149), (31, 386685), (39, 307365), (45, 266383), (65, 184419), (93, 128895), (117, 102455), (155, 77337), (195, 61473), (279, 42965), (403, 29745), (465, 25779), (585, 20491), (661, 18135), (1209, 9915), (1395, 8593), (1983, 6045), (2015, 5949), (3305, 3627)]