78898545

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8389}}^1$

素因数の和:8430

約数の個数: 48

約数和(自身を含む): 157060800

約数和(自身を除く): 78162255

約数列:

[1, 3, 5, 9, 11, 15, 19, 33, 45, 55, 57, 95, 99, 165, 171, 209, 285, 495, 627, 855, 1045, 1881, 3135, 8389, 9405, 25167, 41945, 75501, 92279, 125835, 159391, 276837, 377505, 461395, 478173, 796955, 830511, 1384185, 1434519, 1753301, 2390865, 4152555, 5259903, 7172595, 8766505, 15779709, 26299515, 78898545]

約数ペア:

[(1, 78898545), (3, 26299515), (5, 15779709), (9, 8766505), (11, 7172595), (15, 5259903), (19, 4152555), (33, 2390865), (45, 1753301), (55, 1434519), (57, 1384185), (95, 830511), (99, 796955), (165, 478173), (171, 461395), (209, 377505), (285, 276837), (495, 159391), (627, 125835), (855, 92279), (1045, 75501), (1881, 41945), (3135, 25167), (8389, 9405)]