2621115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 5323968

約数和(自身を除く): 2702853

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 157, 159, 265, 315, 371, 471, 477, 785, 795, 1099, 1113, 1413, 1855, 2355, 2385, 3297, 3339, 5495, 5565, 7065, 8321, 9891, 16485, 16695, 24963, 41605, 49455, 58247, 74889, 124815, 174741, 291235, 374445, 524223, 873705, 2621115]

約数ペア:

[(1, 2621115), (3, 873705), (5, 524223), (7, 374445), (9, 291235), (15, 174741), (21, 124815), (35, 74889), (45, 58247), (53, 49455), (63, 41605), (105, 24963), (157, 16695), (159, 16485), (265, 9891), (315, 8321), (371, 7065), (471, 5565), (477, 5495), (785, 3339), (795, 3297), (1099, 2385), (1113, 2355), (1413, 1855)]