129798207

素因数分解:

$3^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 72

約数和(自身を含む): 246984192

約数和(自身を除く): 117185985

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 147, 189, 231, 243, 297, 441, 539, 567, 693, 891, 991, 1323, 1617, 1701, 2079, 2673, 2973, 3969, 4851, 6237, 6937, 8919, 10901, 11907, 14553, 18711, 20811, 26757, 32703, 43659, 48559, 62433, 76307, 80271, 98109, 130977, 145677, 187299, 228921, 240813, 294327, 437031, 534149, 561897, 686763, 882981, 1311093, 1602447, 1685691, 2060289, 2648943, 3933279, 4807341, 6180867, 11799837, 14422023, 18542601, 43266069, 129798207]

約数ペア:

[(1, 129798207), (3, 43266069), (7, 18542601), (9, 14422023), (11, 11799837), (21, 6180867), (27, 4807341), (33, 3933279), (49, 2648943), (63, 2060289), (77, 1685691), (81, 1602447), (99, 1311093), (147, 882981), (189, 686763), (231, 561897), (243, 534149), (297, 437031), (441, 294327), (539, 240813), (567, 228921), (693, 187299), (891, 145677), (991, 130977), (1323, 98109), (1617, 80271), (1701, 76307), (2079, 62433), (2673, 48559), (2973, 43659), (3969, 32703), (4851, 26757), (6237, 20811), (6937, 18711), (8919, 14553), (10901, 11907)]