78061845

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 128304000

約数和(自身を除く): 50242155

約数列:

[1, 3, 5, 15, 53, 149, 159, 265, 447, 659, 745, 795, 1977, 2235, 3295, 7897, 9885, 23691, 34927, 39485, 98191, 104781, 118455, 174635, 294573, 490955, 523905, 1472865, 5204123, 15612369, 26020615, 78061845]

約数ペア:

[(1, 78061845), (3, 26020615), (5, 15612369), (15, 5204123), (53, 1472865), (149, 523905), (159, 490955), (265, 294573), (447, 174635), (659, 118455), (745, 104781), (795, 98191), (1977, 39485), (2235, 34927), (3295, 23691), (7897, 9885)]