25147773

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 46080000

約数和(自身を除く): 20932227

約数列:

[1, 3, 7, 9, 19, 21, 27, 47, 57, 63, 133, 141, 149, 171, 189, 329, 399, 423, 447, 513, 893, 987, 1043, 1197, 1269, 1341, 2679, 2831, 2961, 3129, 3591, 4023, 6251, 7003, 8037, 8493, 8883, 9387, 18753, 19817, 21009, 24111, 25479, 28161, 49021, 56259, 59451, 63027, 76437, 133057, 147063, 168777, 178353, 189081, 399171, 441189, 535059, 931399, 1197513, 1323567, 2794197, 3592539, 8382591, 25147773]

約数ペア:

[(1, 25147773), (3, 8382591), (7, 3592539), (9, 2794197), (19, 1323567), (21, 1197513), (27, 931399), (47, 535059), (57, 441189), (63, 399171), (133, 189081), (141, 178353), (149, 168777), (171, 147063), (189, 133057), (329, 76437), (399, 63027), (423, 59451), (447, 56259), (513, 49021), (893, 28161), (987, 25479), (1043, 24111), (1197, 21009), (1269, 19817), (1341, 18753), (2679, 9387), (2831, 8883), (2961, 8493), (3129, 8037), (3591, 7003), (4023, 6251)]