201220971

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1\times {\mathrm{571}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 312119808

約数和(自身を除く): 110898837

約数列:

[1, 3, 7, 21, 97, 173, 291, 519, 571, 679, 1211, 1713, 2037, 3633, 3997, 11991, 16781, 50343, 55387, 98783, 117467, 166161, 296349, 352401, 387709, 691481, 1163127, 2074443, 9581951, 28745853, 67073657, 201220971]

約数ペア:

[(1, 201220971), (3, 67073657), (7, 28745853), (21, 9581951), (97, 2074443), (173, 1163127), (291, 691481), (519, 387709), (571, 352401), (679, 296349), (1211, 166161), (1713, 117467), (2037, 98783), (3633, 55387), (3997, 50343), (11991, 16781)]