397796889

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{16631}}^1$

素因数の和:16725

約数の個数: 32

約数和(自身を含む): 651442176

約数和(自身を除く): 253645287

約数列:

[1, 3, 7, 17, 21, 51, 67, 119, 201, 357, 469, 1139, 1407, 3417, 7973, 16631, 23919, 49893, 116417, 282727, 349251, 848181, 1114277, 1979089, 3342831, 5937267, 7799939, 18942709, 23399817, 56828127, 132598963, 397796889]

約数ペア:

[(1, 397796889), (3, 132598963), (7, 56828127), (17, 23399817), (21, 18942709), (51, 7799939), (67, 5937267), (119, 3342831), (201, 1979089), (357, 1114277), (469, 848181), (1139, 349251), (1407, 282727), (3417, 116417), (7973, 49893), (16631, 23919)]