154968009

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{388391}}^1$

素因数の和:388420

約数の個数: 16

約数和(自身を含む): 248570880

約数和(自身を除く): 93602871

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 388391, 1165173, 2718737, 7379429, 8156211, 22138287, 51656003, 154968009]

約数ペア:

[(1, 154968009), (3, 51656003), (7, 22138287), (19, 8156211), (21, 7379429), (57, 2718737), (133, 1165173), (399, 388391)]