18723310947

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{51631}}^1$

素因数の和:51702

約数の個数: 60

約数和(自身を含む): 31574723488

約数和(自身を除く): 12851412541

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 121, 297, 333, 363, 407, 891, 999, 1089, 1221, 2997, 3267, 3663, 4477, 9801, 10989, 13431, 32967, 40293, 51631, 120879, 154893, 362637, 464679, 567941, 1394037, 1703823, 1910347, 4182111, 5111469, 5731041, 6247351, 15334407, 17193123, 18742053, 21013817, 46003221, 51579369, 56226159, 63041451, 154738107, 168678477, 189124353, 231151987, 506035431, 567373059, 693455961, 1702119177, 2080367883, 6241103649, 18723310947]

約数ペア:

[(1, 18723310947), (3, 6241103649), (9, 2080367883), (11, 1702119177), (27, 693455961), (33, 567373059), (37, 506035431), (81, 231151987), (99, 189124353), (111, 168678477), (121, 154738107), (297, 63041451), (333, 56226159), (363, 51579369), (407, 46003221), (891, 21013817), (999, 18742053), (1089, 17193123), (1221, 15334407), (2997, 6247351), (3267, 5731041), (3663, 5111469), (4477, 4182111), (9801, 1910347), (10989, 1703823), (13431, 1394037), (32967, 567941), (40293, 464679), (51631, 362637), (120879, 154893)]