81913845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{22109}}^1$

素因数の和:22149

約数の個数: 32

約数和(自身を含む): 148579200

約数和(自身を除く): 66665355

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 22109, 66327, 110545, 287417, 331635, 420071, 862251, 1260213, 1437085, 2100355, 4311255, 5460923, 6301065, 16382769, 27304615, 81913845]

約数ペア:

[(1, 81913845), (3, 27304615), (5, 16382769), (13, 6301065), (15, 5460923), (19, 4311255), (39, 2100355), (57, 1437085), (65, 1260213), (95, 862251), (195, 420071), (247, 331635), (285, 287417), (741, 110545), (1235, 66327), (3705, 22109)]