156965109

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 243403776

約数和(自身を除く): 86438667

約数列:

[1, 3, 7, 21, 97, 251, 291, 307, 679, 753, 921, 1757, 2037, 2149, 5271, 6447, 24347, 29779, 73041, 77057, 89337, 170429, 208453, 231171, 511287, 539399, 625359, 1618197, 7474529, 22423587, 52321703, 156965109]

約数ペア:

[(1, 156965109), (3, 52321703), (7, 22423587), (21, 7474529), (97, 1618197), (251, 625359), (291, 539399), (307, 511287), (679, 231171), (753, 208453), (921, 170429), (1757, 89337), (2037, 77057), (2149, 73041), (5271, 29779), (6447, 24347)]