15866739

素因数分解:

$3^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 27907200

約数和(自身を除く): 12040461

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 147, 179, 189, 201, 441, 469, 537, 603, 1253, 1323, 1407, 1611, 1809, 3283, 3759, 4221, 4833, 8771, 9849, 11277, 11993, 12663, 26313, 29547, 33831, 35979, 78939, 83951, 88641, 107937, 236817, 251853, 323811, 587657, 755559, 1762971, 2266677, 5288913, 15866739]

約数ペア:

[(1, 15866739), (3, 5288913), (7, 2266677), (9, 1762971), (21, 755559), (27, 587657), (49, 323811), (63, 251853), (67, 236817), (147, 107937), (179, 88641), (189, 83951), (201, 78939), (441, 35979), (469, 33831), (537, 29547), (603, 26313), (1253, 12663), (1323, 11993), (1407, 11277), (1611, 9849), (1809, 8771), (3283, 4833), (3759, 4221)]