72220707

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 121551360

約数和(自身を除く): 49330653

約数列:

[1, 3, 9, 13, 27, 37, 39, 67, 83, 111, 117, 201, 249, 333, 351, 481, 603, 747, 871, 999, 1079, 1443, 1809, 2241, 2479, 2613, 3071, 3237, 4329, 5561, 7437, 7839, 9213, 9711, 12987, 16683, 22311, 23517, 27639, 29133, 32227, 39923, 50049, 66933, 72293, 82917, 96681, 119769, 150147, 205757, 216879, 290043, 359307, 617271, 650637, 870129, 1077921, 1851813, 1951911, 2674841, 5555439, 8024523, 24073569, 72220707]

約数ペア:

[(1, 72220707), (3, 24073569), (9, 8024523), (13, 5555439), (27, 2674841), (37, 1951911), (39, 1851813), (67, 1077921), (83, 870129), (111, 650637), (117, 617271), (201, 359307), (249, 290043), (333, 216879), (351, 205757), (481, 150147), (603, 119769), (747, 96681), (871, 82917), (999, 72293), (1079, 66933), (1443, 50049), (1809, 39923), (2241, 32227), (2479, 29133), (2613, 27639), (3071, 23517), (3237, 22311), (4329, 16683), (5561, 12987), (7437, 9711), (7839, 9213)]