861968877

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{709}}^1$

素因数の和:1026

約数の個数: 64

約数和(自身を含む): 1515878400

約数和(自身を除く): 653909523

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 277, 399, 627, 709, 831, 1463, 1939, 2127, 3047, 4389, 4963, 5263, 5817, 7799, 9141, 13471, 14889, 15789, 21329, 23397, 36841, 40413, 54593, 57893, 63987, 94297, 110523, 148181, 163779, 173679, 196393, 282891, 405251, 444543, 589179, 1037267, 1215753, 1374751, 2160323, 3111801, 3731467, 4124253, 6480969, 11194401, 15122261, 26120269, 41046137, 45366783, 78360807, 123138411, 287322959, 861968877]

約数ペア:

[(1, 861968877), (3, 287322959), (7, 123138411), (11, 78360807), (19, 45366783), (21, 41046137), (33, 26120269), (57, 15122261), (77, 11194401), (133, 6480969), (209, 4124253), (231, 3731467), (277, 3111801), (399, 2160323), (627, 1374751), (709, 1215753), (831, 1037267), (1463, 589179), (1939, 444543), (2127, 405251), (3047, 282891), (4389, 196393), (4963, 173679), (5263, 163779), (5817, 148181), (7799, 110523), (9141, 94297), (13471, 63987), (14889, 57893), (15789, 54593), (21329, 40413), (23397, 36841)]