156975165

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12503}}^1$

素因数の和:12551

約数の個数: 40

約数和(自身を含む): 290492928

約数和(自身を除く): 133517763

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185, 12503, 12555, 37509, 62515, 112527, 187545, 337581, 387593, 562635, 1012743, 1162779, 1687905, 1937965, 3488337, 5063715, 5813895, 10465011, 17441685, 31395033, 52325055, 156975165]

約数ペア:

[(1, 156975165), (3, 52325055), (5, 31395033), (9, 17441685), (15, 10465011), (27, 5813895), (31, 5063715), (45, 3488337), (81, 1937965), (93, 1687905), (135, 1162779), (155, 1012743), (279, 562635), (405, 387593), (465, 337581), (837, 187545), (1395, 112527), (2511, 62515), (4185, 37509), (12503, 12555)]