664785

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 1347840

約数和(自身を除く): 683055

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 79, 85, 99, 153, 165, 187, 237, 255, 395, 495, 561, 711, 765, 869, 935, 1185, 1343, 1683, 2607, 2805, 3555, 4029, 4345, 6715, 7821, 8415, 12087, 13035, 14773, 20145, 39105, 44319, 60435, 73865, 132957, 221595, 664785]

約数ペア:

[(1, 664785), (3, 221595), (5, 132957), (9, 73865), (11, 60435), (15, 44319), (17, 39105), (33, 20145), (45, 14773), (51, 13035), (55, 12087), (79, 8415), (85, 7821), (99, 6715), (153, 4345), (165, 4029), (187, 3555), (237, 2805), (255, 2607), (395, 1683), (495, 1343), (561, 1185), (711, 935), (765, 869)]