155537739

素因数分解:

$3^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1499}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 270816000

約数和(自身を除く): 115278261

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 243, 427, 549, 567, 1281, 1499, 1647, 1701, 3843, 4497, 4941, 10493, 11529, 13491, 14823, 31479, 34587, 40473, 91439, 94437, 103761, 121419, 274317, 283311, 364257, 640073, 822951, 849933, 1920219, 2468853, 2549799, 5760657, 7406559, 17281971, 22219677, 51845913, 155537739]

約数ペア:

[(1, 155537739), (3, 51845913), (7, 22219677), (9, 17281971), (21, 7406559), (27, 5760657), (61, 2549799), (63, 2468853), (81, 1920219), (183, 849933), (189, 822951), (243, 640073), (427, 364257), (549, 283311), (567, 274317), (1281, 121419), (1499, 103761), (1647, 94437), (1701, 91439), (3843, 40473), (4497, 34587), (4941, 31479), (10493, 14823), (11529, 13491)]