73749775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 105993216

約数和(自身を除く): 32243441

約数列:

[1, 5, 11, 25, 31, 41, 55, 155, 205, 211, 275, 341, 451, 775, 1025, 1055, 1271, 1705, 2255, 2321, 5275, 6355, 6541, 8525, 8651, 11275, 11605, 13981, 31775, 32705, 43255, 58025, 69905, 71951, 95161, 163525, 216275, 268181, 349525, 359755, 475805, 1340905, 1798775, 2379025, 2949991, 6704525, 14749955, 73749775]

約数ペア:

[(1, 73749775), (5, 14749955), (11, 6704525), (25, 2949991), (31, 2379025), (41, 1798775), (55, 1340905), (155, 475805), (205, 359755), (211, 349525), (275, 268181), (341, 216275), (451, 163525), (775, 95161), (1025, 71951), (1055, 69905), (1271, 58025), (1705, 43255), (2255, 32705), (2321, 31775), (5275, 13981), (6355, 11605), (6541, 11275), (8525, 8651)]