78378165

素因数分解:

$3^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{881}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 139708800

約数和(自身を除く): 61330635

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 659, 881, 1977, 2643, 3295, 4405, 5931, 7929, 9885, 13215, 17793, 23787, 29655, 39645, 88965, 118935, 580579, 1741737, 2902895, 5225211, 8708685, 15675633, 26126055, 78378165]

約数ペア:

[(1, 78378165), (3, 26126055), (5, 15675633), (9, 8708685), (15, 5225211), (27, 2902895), (45, 1741737), (135, 580579), (659, 118935), (881, 88965), (1977, 39645), (2643, 29655), (3295, 23787), (4405, 17793), (5931, 13215), (7929, 9885)]