1225621809

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^2\times {\mathrm{71}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 1988625600

約数和(自身を除く): 763003791

約数列:

[1, 3, 9, 19, 29, 57, 59, 71, 87, 171, 177, 213, 261, 531, 551, 639, 1121, 1349, 1653, 1711, 2059, 3363, 3481, 4047, 4189, 4959, 5133, 6177, 10089, 10443, 12141, 12567, 15399, 18531, 31329, 32509, 37701, 39121, 66139, 79591, 97527, 100949, 117363, 121481, 198417, 238773, 247151, 292581, 302847, 352089, 364443, 595251, 716319, 741453, 908541, 1093329, 1918031, 2224359, 2308139, 4695869, 5754093, 6924417, 7167379, 14087607, 17262279, 20773251, 21502137, 42262821, 64506411, 136180201, 408540603, 1225621809]

約数ペア:

[(1, 1225621809), (3, 408540603), (9, 136180201), (19, 64506411), (29, 42262821), (57, 21502137), (59, 20773251), (71, 17262279), (87, 14087607), (171, 7167379), (177, 6924417), (213, 5754093), (261, 4695869), (531, 2308139), (551, 2224359), (639, 1918031), (1121, 1093329), (1349, 908541), (1653, 741453), (1711, 716319), (2059, 595251), (3363, 364443), (3481, 352089), (4047, 302847), (4189, 292581), (4959, 247151), (5133, 238773), (6177, 198417), (10089, 121481), (10443, 117363), (12141, 100949), (12567, 97527), (15399, 79591), (18531, 66139), (31329, 39121), (32509, 37701)]