1019847591

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:866

約数の個数: 80

約数和(自身を含む): 1848802560

約数和(自身を除く): 828954969

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 137, 171, 189, 399, 411, 513, 567, 691, 959, 1197, 1233, 1539, 2073, 2603, 2877, 3591, 3699, 4837, 6219, 7809, 8631, 10773, 11097, 13129, 14511, 18221, 18657, 23427, 25893, 39387, 43533, 54663, 55971, 70281, 77679, 91903, 94667, 118161, 130599, 163989, 210843, 275709, 284001, 354483, 391797, 491967, 662669, 827127, 852003, 1063449, 1475901, 1798673, 1988007, 2481381, 2556009, 5396019, 5964021, 7444143, 7668027, 12590711, 16188057, 17892063, 37772133, 48564171, 53676189, 113316399, 145692513, 339949197, 1019847591]

約数ペア:

[(1, 1019847591), (3, 339949197), (7, 145692513), (9, 113316399), (19, 53676189), (21, 48564171), (27, 37772133), (57, 17892063), (63, 16188057), (81, 12590711), (133, 7668027), (137, 7444143), (171, 5964021), (189, 5396019), (399, 2556009), (411, 2481381), (513, 1988007), (567, 1798673), (691, 1475901), (959, 1063449), (1197, 852003), (1233, 827127), (1539, 662669), (2073, 491967), (2603, 391797), (2877, 354483), (3591, 284001), (3699, 275709), (4837, 210843), (6219, 163989), (7809, 130599), (8631, 118161), (10773, 94667), (11097, 91903), (13129, 77679), (14511, 70281), (18221, 55971), (18657, 54663), (23427, 43533), (25893, 39387)]