27818505

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 58988160

約数和(自身を除く): 31169655

約数列:

[1, 3, 5, 9, 11, 13, 15, 27, 33, 39, 45, 55, 65, 99, 117, 121, 131, 135, 143, 165, 195, 297, 351, 363, 393, 429, 495, 585, 605, 655, 715, 1089, 1179, 1287, 1441, 1485, 1573, 1703, 1755, 1815, 1965, 2145, 3267, 3537, 3861, 4323, 4719, 5109, 5445, 5895, 6435, 7205, 7865, 8515, 12969, 14157, 15327, 15851, 16335, 17685, 18733, 19305, 21615, 23595, 25545, 38907, 42471, 45981, 47553, 56199, 64845, 70785, 76635, 79255, 93665, 142659, 168597, 194535, 206063, 212355, 229905, 237765, 280995, 427977, 505791, 618189, 713295, 842985, 1030315, 1854567, 2139885, 2528955, 3090945, 5563701, 9272835, 27818505]

約数ペア:

[(1, 27818505), (3, 9272835), (5, 5563701), (9, 3090945), (11, 2528955), (13, 2139885), (15, 1854567), (27, 1030315), (33, 842985), (39, 713295), (45, 618189), (55, 505791), (65, 427977), (99, 280995), (117, 237765), (121, 229905), (131, 212355), (135, 206063), (143, 194535), (165, 168597), (195, 142659), (297, 93665), (351, 79255), (363, 76635), (393, 70785), (429, 64845), (495, 56199), (585, 47553), (605, 45981), (655, 42471), (715, 38907), (1089, 25545), (1179, 23595), (1287, 21615), (1441, 19305), (1485, 18733), (1573, 17685), (1703, 16335), (1755, 15851), (1815, 15327), (1965, 14157), (2145, 12969), (3267, 8515), (3537, 7865), (3861, 7205), (4323, 6435), (4719, 5895), (5109, 5445)]