1620773

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 2145024

約数和(自身を除く): 524251

約数列:

[1, 7, 11, 31, 49, 77, 97, 217, 341, 539, 679, 1067, 1519, 2387, 3007, 4753, 7469, 16709, 21049, 33077, 52283, 147343, 231539, 1620773]

約数ペア:

[(1, 1620773), (7, 231539), (11, 147343), (31, 52283), (49, 33077), (77, 21049), (97, 16709), (217, 7469), (341, 4753), (539, 3007), (679, 2387), (1067, 1519)]