25811379

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:573

約数の個数: 40

約数和(自身を含む): 42863040

約数和(自身を除く): 17051661

約数列:

[1, 3, 9, 11, 27, 33, 59, 81, 99, 177, 297, 491, 531, 649, 891, 1473, 1593, 1947, 4419, 4779, 5401, 5841, 13257, 16203, 17523, 28969, 39771, 48609, 52569, 86907, 145827, 260721, 318659, 437481, 782163, 955977, 2346489, 2867931, 8603793, 25811379]

約数ペア:

[(1, 25811379), (3, 8603793), (9, 2867931), (11, 2346489), (27, 955977), (33, 782163), (59, 437481), (81, 318659), (99, 260721), (177, 145827), (297, 86907), (491, 52569), (531, 48609), (649, 39771), (891, 28969), (1473, 17523), (1593, 16203), (1947, 13257), (4419, 5841), (4779, 5401)]