17800479

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 29352960

約数和(自身を除く): 11552481

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 139, 153, 243, 279, 417, 459, 527, 837, 1251, 1377, 1581, 2363, 2511, 3753, 4131, 4309, 4743, 7089, 7533, 11259, 12927, 14229, 21267, 33777, 38781, 42687, 63801, 73253, 116343, 128061, 191403, 219759, 349029, 574209, 659277, 1047087, 1977831, 5933493, 17800479]

約数ペア:

[(1, 17800479), (3, 5933493), (9, 1977831), (17, 1047087), (27, 659277), (31, 574209), (51, 349029), (81, 219759), (93, 191403), (139, 128061), (153, 116343), (243, 73253), (279, 63801), (417, 42687), (459, 38781), (527, 33777), (837, 21267), (1251, 14229), (1377, 12927), (1581, 11259), (2363, 7533), (2511, 7089), (3753, 4743), (4131, 4309)]