1212255

素因数分解:

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

素因数の和:132

約数の個数: 48

約数和(自身を含む): 2396160

約数和(自身を除く): 1183905

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 79, 93, 99, 155, 165, 237, 279, 341, 395, 465, 495, 711, 869, 1023, 1185, 1395, 1705, 2449, 2607, 3069, 3555, 4345, 5115, 7347, 7821, 12245, 13035, 15345, 22041, 26939, 36735, 39105, 80817, 110205, 134695, 242451, 404085, 1212255]

約数ペア:

[(1, 1212255), (3, 404085), (5, 242451), (9, 134695), (11, 110205), (15, 80817), (31, 39105), (33, 36735), (45, 26939), (55, 22041), (79, 15345), (93, 13035), (99, 12245), (155, 7821), (165, 7347), (237, 5115), (279, 4345), (341, 3555), (395, 3069), (465, 2607), (495, 2449), (711, 1705), (869, 1395), (1023, 1185)]