138664197

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 245145600

約数和(自身を除く): 106481403

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 79, 111, 189, 237, 251, 259, 333, 553, 711, 753, 777, 999, 1659, 1757, 2133, 2259, 2331, 2923, 4977, 5271, 6777, 6993, 8769, 9287, 14931, 15813, 19829, 20461, 26307, 27861, 47439, 59487, 61383, 65009, 78921, 83583, 138803, 178461, 184149, 195027, 250749, 416409, 535383, 552447, 585081, 733673, 1249227, 1755243, 2201019, 3747681, 5135711, 6603057, 15407133, 19809171, 46221399, 138664197]

約数ペア:

[(1, 138664197), (3, 46221399), (7, 19809171), (9, 15407133), (21, 6603057), (27, 5135711), (37, 3747681), (63, 2201019), (79, 1755243), (111, 1249227), (189, 733673), (237, 585081), (251, 552447), (259, 535383), (333, 416409), (553, 250749), (711, 195027), (753, 184149), (777, 178461), (999, 138803), (1659, 83583), (1757, 78921), (2133, 65009), (2259, 61383), (2331, 59487), (2923, 47439), (4977, 27861), (5271, 26307), (6777, 20461), (6993, 19829), (8769, 15813), (9287, 14931)]