18074259

素因数分解:

$3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 31223808

約数和(自身を除く): 13149549

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 127, 189, 251, 381, 567, 753, 889, 1143, 1757, 2259, 2667, 3429, 5271, 6777, 8001, 10287, 15813, 20331, 24003, 31877, 47439, 72009, 95631, 142317, 223139, 286893, 669417, 860679, 2008251, 2582037, 6024753, 18074259]

約数ペア:

[(1, 18074259), (3, 6024753), (7, 2582037), (9, 2008251), (21, 860679), (27, 669417), (63, 286893), (81, 223139), (127, 142317), (189, 95631), (251, 72009), (381, 47439), (567, 31877), (753, 24003), (889, 20331), (1143, 15813), (1757, 10287), (2259, 8001), (2667, 6777), (3429, 5271)]