16627455

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 31807776

約数和(自身を除く): 15180321

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 661, 1677, 1935, 1983, 2795, 3305, 5031, 5949, 8385, 8593, 9915, 25155, 25779, 28423, 29745, 42965, 77337, 85269, 128895, 142115, 255807, 369499, 386685, 426345, 1108497, 1279035, 1847495, 3325491, 5542485, 16627455]

約数ペア:

[(1, 16627455), (3, 5542485), (5, 3325491), (9, 1847495), (13, 1279035), (15, 1108497), (39, 426345), (43, 386685), (45, 369499), (65, 255807), (117, 142115), (129, 128895), (195, 85269), (215, 77337), (387, 42965), (559, 29745), (585, 28423), (645, 25779), (661, 25155), (1677, 9915), (1935, 8593), (1983, 8385), (2795, 5949), (3305, 5031)]