154453971

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2163

約数の個数: 32

約数和(自身を含む): 245514240

約数和(自身を除く): 91060269

約数列:

[1, 3, 7, 21, 29, 87, 127, 203, 381, 609, 889, 1997, 2667, 3683, 5991, 11049, 13979, 25781, 41937, 57913, 77343, 173739, 253619, 405391, 760857, 1216173, 1775333, 5325999, 7354951, 22064853, 51484657, 154453971]

約数ペア:

[(1, 154453971), (3, 51484657), (7, 22064853), (21, 7354951), (29, 5325999), (87, 1775333), (127, 1216173), (203, 760857), (381, 405391), (609, 253619), (889, 173739), (1997, 77343), (2667, 57913), (3683, 41937), (5991, 25781), (11049, 13979)]