23721687

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 39644640

約数和(自身を除く): 15922953

約数列:

[1, 3, 9, 11, 27, 33, 53, 99, 121, 137, 159, 297, 363, 411, 477, 583, 1089, 1233, 1431, 1507, 1749, 3267, 3699, 4521, 5247, 6413, 7261, 13563, 15741, 16577, 19239, 21783, 40689, 49731, 57717, 65349, 79871, 149193, 173151, 196047, 239613, 447579, 718839, 878581, 2156517, 2635743, 7907229, 23721687]

約数ペア:

[(1, 23721687), (3, 7907229), (9, 2635743), (11, 2156517), (27, 878581), (33, 718839), (53, 447579), (99, 239613), (121, 196047), (137, 173151), (159, 149193), (297, 79871), (363, 65349), (411, 57717), (477, 49731), (583, 40689), (1089, 21783), (1233, 19239), (1431, 16577), (1507, 15741), (1749, 13563), (3267, 7261), (3699, 6413), (4521, 5247)]