2776455

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 5391360

約数和(自身を除く): 2614905

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 71, 79, 99, 165, 213, 237, 355, 395, 495, 639, 711, 781, 869, 1065, 1185, 2343, 2607, 3195, 3555, 3905, 4345, 5609, 7029, 7821, 11715, 13035, 16827, 28045, 35145, 39105, 50481, 61699, 84135, 185097, 252405, 308495, 555291, 925485, 2776455]

約数ペア:

[(1, 2776455), (3, 925485), (5, 555291), (9, 308495), (11, 252405), (15, 185097), (33, 84135), (45, 61699), (55, 50481), (71, 39105), (79, 35145), (99, 28045), (165, 16827), (213, 13035), (237, 11715), (355, 7821), (395, 7029), (495, 5609), (639, 4345), (711, 3905), (781, 3555), (869, 3195), (1065, 2607), (1185, 2343)]