9781077215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1013}}^1\times {\mathrm{21221}}^1$

素因数の和:22259

約数の個数: 32

約数和(自身を含む): 14460840576

約数和(自身を除く): 4679763361

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1013, 5065, 7091, 13169, 21221, 35455, 65845, 92183, 106105, 148547, 275873, 460915, 742735, 1379365, 1931111, 9655555, 21496873, 107484365, 150478111, 279459349, 752390555, 1397296745, 1956215443, 9781077215]

約数ペア:

[(1, 9781077215), (5, 1956215443), (7, 1397296745), (13, 752390555), (35, 279459349), (65, 150478111), (91, 107484365), (455, 21496873), (1013, 9655555), (5065, 1931111), (7091, 1379365), (13169, 742735), (21221, 460915), (35455, 275873), (65845, 148547), (92183, 106105)]