18457515

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 33359040

約数和(自身を除く): 14901525

約数列:

[1, 3, 5, 9, 15, 45, 53, 71, 109, 159, 213, 265, 327, 355, 477, 545, 639, 795, 981, 1065, 1635, 2385, 3195, 3763, 4905, 5777, 7739, 11289, 17331, 18815, 23217, 28885, 33867, 38695, 51993, 56445, 69651, 86655, 116085, 169335, 259965, 348255, 410167, 1230501, 2050835, 3691503, 6152505, 18457515]

約数ペア:

[(1, 18457515), (3, 6152505), (5, 3691503), (9, 2050835), (15, 1230501), (45, 410167), (53, 348255), (71, 259965), (109, 169335), (159, 116085), (213, 86655), (265, 69651), (327, 56445), (355, 51993), (477, 38695), (545, 33867), (639, 28885), (795, 23217), (981, 18815), (1065, 17331), (1635, 11289), (2385, 7739), (3195, 5777), (3763, 4905)]