206523891

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 365568000

約数和(自身を除く): 159044109

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 101, 189, 217, 279, 303, 349, 651, 707, 837, 909, 1047, 1953, 2121, 2443, 2727, 3131, 3141, 5859, 6363, 7329, 9393, 9423, 10819, 19089, 21917, 21987, 28179, 32457, 35249, 65751, 65961, 75733, 84537, 97371, 105747, 197253, 227199, 246743, 292113, 317241, 591759, 681597, 740229, 951723, 1092719, 2044791, 2220687, 3278157, 6662061, 7649033, 9834471, 22947099, 29503413, 68841297, 206523891]

約数ペア:

[(1, 206523891), (3, 68841297), (7, 29503413), (9, 22947099), (21, 9834471), (27, 7649033), (31, 6662061), (63, 3278157), (93, 2220687), (101, 2044791), (189, 1092719), (217, 951723), (279, 740229), (303, 681597), (349, 591759), (651, 317241), (707, 292113), (837, 246743), (909, 227199), (1047, 197253), (1953, 105747), (2121, 97371), (2443, 84537), (2727, 75733), (3131, 65961), (3141, 65751), (5859, 35249), (6363, 32457), (7329, 28179), (9393, 21987), (9423, 21917), (10819, 19089)]