648409941

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 1070414400

約数和(自身を除く): 422004459

約数列:

[1, 3, 9, 19, 27, 37, 57, 59, 81, 111, 171, 177, 193, 333, 513, 531, 579, 703, 999, 1121, 1539, 1593, 1737, 2109, 2183, 2997, 3363, 3667, 4779, 5211, 6327, 6549, 7141, 10089, 11001, 11387, 15633, 18981, 19647, 21423, 30267, 33003, 34161, 41477, 56943, 58941, 64269, 90801, 99009, 102483, 124431, 135679, 176823, 192807, 216353, 297027, 307449, 373293, 407037, 421319, 578421, 649059, 922347, 1119879, 1221111, 1263957, 1947177, 3359637, 3663333, 3791871, 5841531, 8005061, 10989999, 11375613, 17524593, 24015183, 34126839, 72045549, 216136647, 648409941]

約数ペア:

[(1, 648409941), (3, 216136647), (9, 72045549), (19, 34126839), (27, 24015183), (37, 17524593), (57, 11375613), (59, 10989999), (81, 8005061), (111, 5841531), (171, 3791871), (177, 3663333), (193, 3359637), (333, 1947177), (513, 1263957), (531, 1221111), (579, 1119879), (703, 922347), (999, 649059), (1121, 578421), (1539, 421319), (1593, 407037), (1737, 373293), (2109, 307449), (2183, 297027), (2997, 216353), (3363, 192807), (3667, 176823), (4779, 135679), (5211, 124431), (6327, 102483), (6549, 99009), (7141, 90801), (10089, 64269), (11001, 58941), (11387, 56943), (15633, 41477), (18981, 34161), (19647, 33003), (21423, 30267)]