156728817

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 273960960

約数和(自身を除く): 117232143

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 97, 103, 189, 249, 291, 309, 581, 679, 721, 747, 873, 927, 1743, 2037, 2163, 2241, 2619, 2781, 5229, 6111, 6489, 8051, 8549, 9991, 15687, 18333, 19467, 24153, 25647, 29973, 56357, 59843, 69937, 72459, 76941, 89919, 169071, 179529, 209811, 217377, 230823, 269757, 507213, 538587, 629433, 829253, 1521639, 1615761, 1888299, 2487759, 5804771, 7463277, 17414313, 22389831, 52242939, 156728817]

約数ペア:

[(1, 156728817), (3, 52242939), (7, 22389831), (9, 17414313), (21, 7463277), (27, 5804771), (63, 2487759), (83, 1888299), (97, 1615761), (103, 1521639), (189, 829253), (249, 629433), (291, 538587), (309, 507213), (581, 269757), (679, 230823), (721, 217377), (747, 209811), (873, 179529), (927, 169071), (1743, 89919), (2037, 76941), (2163, 72459), (2241, 69937), (2619, 59843), (2781, 56357), (5229, 29973), (6111, 25647), (6489, 24153), (8051, 19467), (8549, 18333), (9991, 15687)]