668833322409

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{16103}}^1\times {\mathrm{4957}}^1$

素因数の和:21099

約数の個数: 72

約数和(自身を含む): 1183282626240

約数和(自身を除く): 514449303831

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 4957, 8379, 14871, 16103, 34699, 44613, 48309, 94183, 104097, 112721, 144927, 242893, 282549, 305957, 312291, 338163, 659281, 728679, 789047, 847647, 917871, 1014489, 1977843, 2141699, 2186037, 2367141, 2753613, 4614967, 5933529, 6425097, 7101423, 13844901, 14991893, 19275291, 41534703, 44975679, 79822571, 134927037, 239467713, 558757997, 718403139, 1516628849, 1676273991, 3911305979, 4549886547, 5028821973, 10616401943, 11733917937, 13649659641, 31849205829, 35201753811, 74314813601, 95547617487, 222944440803, 668833322409]

約数ペア:

[(1, 668833322409), (3, 222944440803), (7, 95547617487), (9, 74314813601), (19, 35201753811), (21, 31849205829), (49, 13649659641), (57, 11733917937), (63, 10616401943), (133, 5028821973), (147, 4549886547), (171, 3911305979), (399, 1676273991), (441, 1516628849), (931, 718403139), (1197, 558757997), (2793, 239467713), (4957, 134927037), (8379, 79822571), (14871, 44975679), (16103, 41534703), (34699, 19275291), (44613, 14991893), (48309, 13844901), (94183, 7101423), (104097, 6425097), (112721, 5933529), (144927, 4614967), (242893, 2753613), (282549, 2367141), (305957, 2186037), (312291, 2141699), (338163, 1977843), (659281, 1014489), (728679, 917871), (789047, 847647)]