199997187

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 292454400

約数和(自身を除く): 92457213

約数列:

[1, 3, 13, 39, 127, 149, 271, 381, 447, 813, 1651, 1937, 3523, 4953, 5811, 10569, 18923, 34417, 40379, 56769, 103251, 121137, 245999, 447421, 524927, 737997, 1342263, 1574781, 5128133, 15384399, 66665729, 199997187]

約数ペア:

[(1, 199997187), (3, 66665729), (13, 15384399), (39, 5128133), (127, 1574781), (149, 1342263), (271, 737997), (381, 524927), (447, 447421), (813, 245999), (1651, 121137), (1937, 103251), (3523, 56769), (4953, 40379), (5811, 34417), (10569, 18923)]