28854423

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 48353760

約数和(自身を除く): 19499337

約数列:

[1, 3, 9, 13, 17, 39, 51, 89, 117, 153, 163, 221, 267, 489, 663, 801, 1157, 1467, 1513, 1989, 2119, 2771, 3471, 4539, 6357, 8313, 10413, 13617, 14507, 19071, 19669, 24939, 36023, 43521, 59007, 108069, 130563, 177021, 188591, 246619, 324207, 565773, 739857, 1697319, 2219571, 3206047, 9618141, 28854423]

約数ペア:

[(1, 28854423), (3, 9618141), (9, 3206047), (13, 2219571), (17, 1697319), (39, 739857), (51, 565773), (89, 324207), (117, 246619), (153, 188591), (163, 177021), (221, 130563), (267, 108069), (489, 59007), (663, 43521), (801, 36023), (1157, 24939), (1467, 19669), (1513, 19071), (1989, 14507), (2119, 13617), (2771, 10413), (3471, 8313), (4539, 6357)]