219967407

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{8513}}^1$

素因数の和:8565

約数の個数: 40

約数和(自身を含む): 370869840

約数和(自身を除く): 150902433

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 261, 297, 319, 783, 891, 957, 2349, 2871, 8513, 8613, 25539, 25839, 76617, 93643, 229851, 246877, 280929, 689553, 740631, 842787, 2221893, 2528361, 2715647, 6665679, 7585083, 8146941, 19997037, 24440823, 73322469, 219967407]

約数ペア:

[(1, 219967407), (3, 73322469), (9, 24440823), (11, 19997037), (27, 8146941), (29, 7585083), (33, 6665679), (81, 2715647), (87, 2528361), (99, 2221893), (261, 842787), (297, 740631), (319, 689553), (783, 280929), (891, 246877), (957, 229851), (2349, 93643), (2871, 76617), (8513, 25839), (8613, 25539)]