201991515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{20749}}^1$

素因数の和:20827

約数の個数: 32

約数和(自身を含む): 358560000

約数和(自身を除く): 156568485

約数列:

[1, 3, 5, 11, 15, 33, 55, 59, 165, 177, 295, 649, 885, 1947, 3245, 9735, 20749, 62247, 103745, 228239, 311235, 684717, 1141195, 1224191, 3423585, 3672573, 6120955, 13466101, 18362865, 40398303, 67330505, 201991515]

約数ペア:

[(1, 201991515), (3, 67330505), (5, 40398303), (11, 18362865), (15, 13466101), (33, 6120955), (55, 3672573), (59, 3423585), (165, 1224191), (177, 1141195), (295, 684717), (649, 311235), (885, 228239), (1947, 103745), (3245, 62247), (9735, 20749)]