28971661149

素因数分解:

$3^5\times {\mathrm{19}}^2\times {\mathrm{223}}^1\times {\mathrm{1481}}^1$

素因数の和:1757

約数の個数: 72

約数和(自身を含む): 46038650112

約数和(自身を除く): 17066988963

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 223, 243, 361, 513, 669, 1083, 1481, 1539, 2007, 3249, 4237, 4443, 4617, 6021, 9747, 12711, 13329, 18063, 28139, 29241, 38133, 39987, 54189, 80503, 84417, 87723, 114399, 119961, 241509, 253251, 330263, 343197, 359883, 534641, 724527, 759753, 990789, 1029591, 1603923, 2173581, 2279259, 2972367, 4811769, 6274997, 6520743, 6837777, 8917101, 14435307, 18824991, 19562229, 26751303, 43305921, 56474973, 80253909, 119224943, 129917763, 169424919, 357674829, 508274757, 1073024487, 1524824271, 3219073461, 9657220383, 28971661149]

約数ペア:

[(1, 28971661149), (3, 9657220383), (9, 3219073461), (19, 1524824271), (27, 1073024487), (57, 508274757), (81, 357674829), (171, 169424919), (223, 129917763), (243, 119224943), (361, 80253909), (513, 56474973), (669, 43305921), (1083, 26751303), (1481, 19562229), (1539, 18824991), (2007, 14435307), (3249, 8917101), (4237, 6837777), (4443, 6520743), (4617, 6274997), (6021, 4811769), (9747, 2972367), (12711, 2279259), (13329, 2173581), (18063, 1603923), (28139, 1029591), (29241, 990789), (38133, 759753), (39987, 724527), (54189, 534641), (80503, 359883), (84417, 343197), (87723, 330263), (114399, 253251), (119961, 241509)]