809781861

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{2657}}^1$

素因数の和:3321

約数の個数: 32

約数和(自身を含む): 1290129408

約数和(自身を除く): 480347547

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 631, 1893, 2657, 4417, 7971, 13251, 14513, 18599, 43539, 55797, 61111, 101591, 183333, 304773, 427777, 1283331, 1676567, 5029701, 11735969, 35207907, 38561041, 115683123, 269927287, 809781861]

約数ペア:

[(1, 809781861), (3, 269927287), (7, 115683123), (21, 38561041), (23, 35207907), (69, 11735969), (161, 5029701), (483, 1676567), (631, 1283331), (1893, 427777), (2657, 304773), (4417, 183333), (7971, 101591), (13251, 61111), (14513, 55797), (18599, 43539)]