17968155

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 29721600

約数和(自身を除く): 11753445

約数列:

[1, 3, 5, 15, 59, 79, 177, 237, 257, 295, 395, 771, 885, 1185, 1285, 3855, 4661, 13983, 15163, 20303, 23305, 45489, 60909, 69915, 75815, 101515, 227445, 304545, 1197877, 3593631, 5989385, 17968155]

約数ペア:

[(1, 17968155), (3, 5989385), (5, 3593631), (15, 1197877), (59, 304545), (79, 227445), (177, 101515), (237, 75815), (257, 69915), (295, 60909), (395, 45489), (771, 23305), (885, 20303), (1185, 15163), (1285, 13983), (3855, 4661)]