156869973

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 263531520

約数和(自身を除く): 106661547

約数列:

[1, 3, 9, 13, 27, 37, 39, 47, 111, 117, 141, 257, 333, 351, 423, 481, 611, 771, 999, 1269, 1443, 1739, 1833, 2313, 3341, 4329, 5217, 5499, 6939, 9509, 10023, 12079, 12987, 15651, 16497, 22607, 28527, 30069, 36237, 46953, 67821, 85581, 90207, 108711, 123617, 157027, 203463, 256743, 326133, 370851, 446923, 471081, 610389, 1112553, 1340769, 1413243, 3337659, 4022307, 4239729, 5809999, 12066921, 17429997, 52289991, 156869973]

約数ペア:

[(1, 156869973), (3, 52289991), (9, 17429997), (13, 12066921), (27, 5809999), (37, 4239729), (39, 4022307), (47, 3337659), (111, 1413243), (117, 1340769), (141, 1112553), (257, 610389), (333, 471081), (351, 446923), (423, 370851), (481, 326133), (611, 256743), (771, 203463), (999, 157027), (1269, 123617), (1443, 108711), (1739, 90207), (1833, 85581), (2313, 67821), (3341, 46953), (4329, 36237), (5217, 30069), (5499, 28527), (6939, 22607), (9509, 16497), (10023, 15651), (12079, 12987)]