201640929

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 322300800

約数和(自身を除く): 120659871

約数列:

[1, 3, 7, 21, 49, 61, 113, 147, 183, 199, 339, 427, 597, 791, 1281, 1393, 2373, 2989, 4179, 5537, 6893, 8967, 9751, 12139, 16611, 20679, 22487, 29253, 36417, 48251, 67461, 84973, 144753, 157409, 254919, 337757, 472227, 594811, 1013271, 1101863, 1371707, 1784433, 3305589, 4115121, 9601949, 28805847, 67213643, 201640929]

約数ペア:

[(1, 201640929), (3, 67213643), (7, 28805847), (21, 9601949), (49, 4115121), (61, 3305589), (113, 1784433), (147, 1371707), (183, 1101863), (199, 1013271), (339, 594811), (427, 472227), (597, 337757), (791, 254919), (1281, 157409), (1393, 144753), (2373, 84973), (2989, 67461), (4179, 48251), (5537, 36417), (6893, 29253), (8967, 22487), (9751, 20679), (12139, 16611)]