87890715

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{641}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 167053536

約数和(自身を除く): 79162821

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 277, 495, 641, 831, 1385, 1923, 2493, 3047, 3205, 4155, 5769, 7051, 9141, 9615, 12465, 15235, 21153, 27423, 28845, 35255, 45705, 63459, 105765, 137115, 177557, 317295, 532671, 887785, 1598013, 1953127, 2663355, 5859381, 7990065, 9765635, 17578143, 29296905, 87890715]

約数ペア:

[(1, 87890715), (3, 29296905), (5, 17578143), (9, 9765635), (11, 7990065), (15, 5859381), (33, 2663355), (45, 1953127), (55, 1598013), (99, 887785), (165, 532671), (277, 317295), (495, 177557), (641, 137115), (831, 105765), (1385, 63459), (1923, 45705), (2493, 35255), (3047, 28845), (3205, 27423), (4155, 21153), (5769, 15235), (7051, 12465), (9141, 9615)]