155261331

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 247104000

約数和(自身を除く): 91842669

約数列:

[1, 3, 9, 19, 29, 57, 87, 131, 171, 239, 261, 393, 551, 717, 1179, 1653, 2151, 2489, 3799, 4541, 4959, 6931, 7467, 11397, 13623, 20793, 22401, 31309, 34191, 40869, 62379, 72181, 93927, 131689, 216543, 281781, 395067, 594871, 649629, 907961, 1185201, 1784613, 2723883, 5353839, 8171649, 17251259, 51753777, 155261331]

約数ペア:

[(1, 155261331), (3, 51753777), (9, 17251259), (19, 8171649), (29, 5353839), (57, 2723883), (87, 1784613), (131, 1185201), (171, 907961), (239, 649629), (261, 594871), (393, 395067), (551, 281781), (717, 216543), (1179, 131689), (1653, 93927), (2151, 72181), (2489, 62379), (3799, 40869), (4541, 34191), (4959, 31309), (6931, 22401), (7467, 20793), (11397, 13623)]