261772203

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{19207}}^1$

素因数の和:19287

約数の個数: 32

約数和(自身を含む): 442552320

約数和(自身を除く): 180780117

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 177, 231, 413, 649, 1239, 1947, 4543, 13629, 19207, 57621, 134449, 211277, 403347, 633831, 1133213, 1478939, 3399639, 4436817, 7932491, 12465343, 23797473, 37396029, 87257401, 261772203]

約数ペア:

[(1, 261772203), (3, 87257401), (7, 37396029), (11, 23797473), (21, 12465343), (33, 7932491), (59, 4436817), (77, 3399639), (177, 1478939), (231, 1133213), (413, 633831), (649, 403347), (1239, 211277), (1947, 134449), (4543, 57621), (13629, 19207)]