2489870637

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2791}}^1$

素因数の和:2903

約数の個数: 64

約数和(自身を含む): 4074086400

約数和(自身を除く): 1584215763

約数列:

[1, 3, 9, 19, 27, 37, 47, 57, 111, 141, 171, 333, 423, 513, 703, 893, 999, 1269, 1739, 2109, 2679, 2791, 5217, 6327, 8037, 8373, 15651, 18981, 24111, 25119, 33041, 46953, 53029, 75357, 99123, 103267, 131177, 159087, 297369, 309801, 393531, 477261, 892107, 929403, 1180593, 1431783, 1962073, 2492363, 2788209, 3541779, 4853549, 5886219, 7477089, 14560647, 17658657, 22431267, 43681941, 52975971, 67293801, 92217431, 131045823, 276652293, 829956879, 2489870637]

約数ペア:

[(1, 2489870637), (3, 829956879), (9, 276652293), (19, 131045823), (27, 92217431), (37, 67293801), (47, 52975971), (57, 43681941), (111, 22431267), (141, 17658657), (171, 14560647), (333, 7477089), (423, 5886219), (513, 4853549), (703, 3541779), (893, 2788209), (999, 2492363), (1269, 1962073), (1739, 1431783), (2109, 1180593), (2679, 929403), (2791, 892107), (5217, 477261), (6327, 393531), (8037, 309801), (8373, 297369), (15651, 159087), (18981, 131177), (24111, 103267), (25119, 99123), (33041, 75357), (46953, 53029)]