15227919

素因数分解:

$3^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:377

約数の個数: 40

約数和(自身を含む): 26345088

約数和(自身を除く): 11117169

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 251, 321, 567, 749, 753, 963, 1757, 2247, 2259, 2889, 5271, 6741, 6777, 8667, 15813, 20223, 20331, 26857, 47439, 60669, 80571, 142317, 187999, 241713, 563997, 725139, 1691991, 2175417, 5075973, 15227919]

約数ペア:

[(1, 15227919), (3, 5075973), (7, 2175417), (9, 1691991), (21, 725139), (27, 563997), (63, 241713), (81, 187999), (107, 142317), (189, 80571), (251, 60669), (321, 47439), (567, 26857), (749, 20331), (753, 20223), (963, 15813), (1757, 8667), (2247, 6777), (2259, 6741), (2889, 5271)]