2065455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 4193280

約数和(自身を除く): 2127825

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 83, 105, 237, 249, 315, 395, 415, 553, 581, 711, 747, 1185, 1245, 1659, 1743, 2765, 2905, 3555, 3735, 4977, 5229, 6557, 8295, 8715, 19671, 24885, 26145, 32785, 45899, 59013, 98355, 137697, 229495, 295065, 413091, 688485, 2065455]

約数ペア:

[(1, 2065455), (3, 688485), (5, 413091), (7, 295065), (9, 229495), (15, 137697), (21, 98355), (35, 59013), (45, 45899), (63, 32785), (79, 26145), (83, 24885), (105, 19671), (237, 8715), (249, 8295), (315, 6557), (395, 5229), (415, 4977), (553, 3735), (581, 3555), (711, 2905), (747, 2765), (1185, 1743), (1245, 1659)]