51219729

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 87552000

約数和(自身を除く): 36332271

約数列:

[1, 3, 9, 11, 27, 33, 37, 59, 79, 99, 111, 177, 237, 297, 333, 407, 531, 649, 711, 869, 999, 1221, 1593, 1947, 2133, 2183, 2607, 2923, 3663, 4661, 5841, 6549, 7821, 8769, 10989, 13983, 17523, 19647, 23463, 24013, 26307, 32153, 41949, 51271, 58941, 72039, 78921, 96459, 125847, 153813, 172457, 216117, 289377, 461439, 517371, 648351, 868131, 1384317, 1552113, 1897027, 4656339, 5691081, 17073243, 51219729]

約数ペア:

[(1, 51219729), (3, 17073243), (9, 5691081), (11, 4656339), (27, 1897027), (33, 1552113), (37, 1384317), (59, 868131), (79, 648351), (99, 517371), (111, 461439), (177, 289377), (237, 216117), (297, 172457), (333, 153813), (407, 125847), (531, 96459), (649, 78921), (711, 72039), (869, 58941), (999, 51271), (1221, 41949), (1593, 32153), (1947, 26307), (2133, 24013), (2183, 23463), (2607, 19647), (2923, 17523), (3663, 13983), (4661, 10989), (5841, 8769), (6549, 7821)]