18183825

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 38092800

約数和(自身を除く): 19908975

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 31, 33, 45, 55, 75, 79, 93, 99, 135, 155, 165, 225, 237, 275, 279, 297, 341, 395, 465, 495, 675, 711, 775, 825, 837, 869, 1023, 1185, 1395, 1485, 1705, 1975, 2133, 2325, 2449, 2475, 2607, 3069, 3555, 4185, 4345, 5115, 5925, 6975, 7347, 7425, 7821, 8525, 9207, 10665, 12245, 13035, 15345, 17775, 20925, 21725, 22041, 23463, 25575, 26939, 36735, 39105, 46035, 53325, 61225, 65175, 66123, 76725, 80817, 110205, 117315, 134695, 183675, 195525, 230175, 242451, 330615, 404085, 551025, 586575, 673475, 727353, 1212255, 1653075, 2020425, 3636765, 6061275, 18183825]

約数ペア:

[(1, 18183825), (3, 6061275), (5, 3636765), (9, 2020425), (11, 1653075), (15, 1212255), (25, 727353), (27, 673475), (31, 586575), (33, 551025), (45, 404085), (55, 330615), (75, 242451), (79, 230175), (93, 195525), (99, 183675), (135, 134695), (155, 117315), (165, 110205), (225, 80817), (237, 76725), (275, 66123), (279, 65175), (297, 61225), (341, 53325), (395, 46035), (465, 39105), (495, 36735), (675, 26939), (711, 25575), (775, 23463), (825, 22041), (837, 21725), (869, 20925), (1023, 17775), (1185, 15345), (1395, 13035), (1485, 12245), (1705, 10665), (1975, 9207), (2133, 8525), (2325, 7821), (2449, 7425), (2475, 7347), (2607, 6975), (3069, 5925), (3555, 5115), (4185, 4345)]